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Three points on the graph of the function 
f(x) are 
{(0,1),(1,2),(2,4)}. Which equation represents 
f(x) ?

f(x)=(x+1)^(2)

f(x)=2^(x)

f(x)=2x

f(x)=x+1

Three points on the graph of the function f(x) f(x) are {(0,1),(1,2),(2,4)} \{(0,1),(1,2),(2,4)\} . Which equation represents f(x) f(x) ?\newlinef(x)=(x+1)2 f(x)=(x+1)^{2} \newlinef(x)=2x f(x)=2^{x} \newlinef(x)=2x f(x)=2 x \newlinef(x)=x+1 f(x)=x+1

Full solution

Q. Three points on the graph of the function f(x) f(x) are {(0,1),(1,2),(2,4)} \{(0,1),(1,2),(2,4)\} . Which equation represents f(x) f(x) ?\newlinef(x)=(x+1)2 f(x)=(x+1)^{2} \newlinef(x)=2x f(x)=2^{x} \newlinef(x)=2x f(x)=2 x \newlinef(x)=x+1 f(x)=x+1
  1. Test Function 0,10, 1: Let's test each given function with the points provided to see which one fits all the points.\newlineFirst, we will test the point 0,10, 1 with each function.
  2. Test Function (1,2)(1, 2): Testing f(x)=(x+1)2f(x) = (x+1)^{2}:f(0)=(0+1)2=12=1f(0) = (0+1)^{2} = 1^{2} = 1. This matches the y-value of the point (0,1)(0, 1).
  3. Test Function 2,42, 4: Testing f(x)=2xf(x) = 2^{x}:f(0)=20=1f(0) = 2^{0} = 1. This also matches the y-value of the point 0,10, 1.
  4. Test Function (22, 44): Testing f(x)=2xf(x) = 2^{x}:f(0)=20=1f(0) = 2^{0} = 1. This also matches the y-value of the point (0,1)(0, 1).Testing f(x)=2xf(x) = 2x:f(0)=2×0=0f(0) = 2\times 0 = 0. This does not match the y-value of the point (0,1)(0, 1). We can eliminate this option.
  5. Test Function (2,4)(2, 4): Testing f(x)=2xf(x) = 2^{x}:f(0)=20=1f(0) = 2^{0} = 1. This also matches the y-value of the point (0,1)(0, 1).Testing f(x)=2xf(x) = 2x:f(0)=20=0f(0) = 2\cdot 0 = 0. This does not match the y-value of the point (0,1)(0, 1). We can eliminate this option.Testing f(x)=x+1f(x) = x+1:f(0)=0+1=1f(0) = 0+1 = 1. This matches the y-value of the point (0,1)(0, 1).
  6. Test Function (22, 44): Testing f(x)=2xf(x) = 2^{x}:f(0)=20=1f(0) = 2^{0} = 1.This also matches the y-value of the point (0,1)(0, 1).Testing f(x)=2xf(x) = 2x:f(0)=20=0f(0) = 2\cdot 0 = 0.This does not match the y-value of the point (0,1)(0, 1). We can eliminate this option.Testing f(x)=x+1f(x) = x+1:f(0)=0+1=1f(0) = 0+1 = 1.This matches the y-value of the point (0,1)(0, 1).Now, let's test the point (1,2)(1, 2) with the remaining functions.
  7. Test Function (2,4)(2, 4): Testing f(x)=2xf(x) = 2^{x}:f(0)=20=1f(0) = 2^{0} = 1. This also matches the y-value of the point (0,1)(0, 1).Testing f(x)=2xf(x) = 2x:f(0)=20=0f(0) = 2\cdot0 = 0. This does not match the y-value of the point (0,1)(0, 1). We can eliminate this option.Testing f(x)=x+1f(x) = x+1:f(0)=0+1=1f(0) = 0+1 = 1. This matches the y-value of the point (0,1)(0, 1).Now, let's test the point f(x)=2xf(x) = 2^{x}00 with the remaining functions.Testing f(x)=2xf(x) = 2^{x}11:f(x)=2xf(x) = 2^{x}22. This does not match the y-value of the point f(x)=2xf(x) = 2^{x}00. We can eliminate this option.
  8. Test Function (22, 44): Testing f(x)=2xf(x) = 2^{x}:f(0)=20=1f(0) = 2^{0} = 1. This also matches the y-value of the point (0,1)(0, 1).Testing f(x)=2xf(x) = 2x:f(0)=20=0f(0) = 2\cdot0 = 0. This does not match the y-value of the point (0,1)(0, 1). We can eliminate this option.Testing f(x)=x+1f(x) = x+1:f(0)=0+1=1f(0) = 0+1 = 1. This matches the y-value of the point (0,1)(0, 1).Now, let's test the point (1,2)(1, 2) with the remaining functions.Testing f(0)=20=1f(0) = 2^{0} = 100:f(0)=20=1f(0) = 2^{0} = 111. This does not match the y-value of the point (1,2)(1, 2). We can eliminate this option.Testing f(x)=2xf(x) = 2^{x}:f(0)=20=1f(0) = 2^{0} = 144. This matches the y-value of the point (1,2)(1, 2).
  9. Test Function (22, 44): Testing f(x)=2xf(x) = 2^{x}:f(0)=20=1f(0) = 2^{0} = 1. This also matches the y-value of the point (0,1)(0, 1).Testing f(x)=2xf(x) = 2x:f(0)=20=0f(0) = 2\cdot 0 = 0. This does not match the y-value of the point (0,1)(0, 1). We can eliminate this option.Testing f(x)=x+1f(x) = x+1:f(0)=0+1=1f(0) = 0+1 = 1. This matches the y-value of the point (0,1)(0, 1).Now, let's test the point (1,2)(1, 2) with the remaining functions.Testing f(0)=20=1f(0) = 2^{0} = 100:f(0)=20=1f(0) = 2^{0} = 111. This does not match the y-value of the point (1,2)(1, 2). We can eliminate this option.Testing f(x)=2xf(x) = 2^{x}:f(0)=20=1f(0) = 2^{0} = 144. This matches the y-value of the point (1,2)(1, 2).Testing f(x)=x+1f(x) = x+1:f(0)=20=1f(0) = 2^{0} = 177. This matches the y-value of the point (1,2)(1, 2).
  10. Test Function (22, 44): Testing f(x)=2xf(x) = 2^{x}:f(0)=20=1f(0) = 2^{0} = 1.This also matches the y-value of the point (0,1)(0, 1).Testing f(x)=2xf(x) = 2x:f(0)=20=0f(0) = 2\cdot0 = 0.This does not match the y-value of the point (0,1)(0, 1). We can eliminate this option.Testing f(x)=x+1f(x) = x+1:f(0)=0+1=1f(0) = 0+1 = 1.This matches the y-value of the point (0,1)(0, 1).Now, let's test the point (1,2)(1, 2) with the remaining functions.Testing f(0)=20=1f(0) = 2^{0} = 100:f(0)=20=1f(0) = 2^{0} = 111.This does not match the y-value of the point (1,2)(1, 2). We can eliminate this option.Testing f(x)=2xf(x) = 2^{x}:f(0)=20=1f(0) = 2^{0} = 144.This matches the y-value of the point (1,2)(1, 2).Testing f(x)=x+1f(x) = x+1:f(0)=20=1f(0) = 2^{0} = 177.This matches the y-value of the point (1,2)(1, 2).Finally, let's test the point f(0)=20=1f(0) = 2^{0} = 199 with the remaining functions.
  11. Test Function (2,4)(2, 4): Testing f(x)=2xf(x) = 2^{x}:f(0)=20=1f(0) = 2^{0} = 1. This also matches the y-value of the point (0,1)(0, 1).Testing f(x)=2xf(x) = 2x:f(0)=20=0f(0) = 2\cdot 0 = 0. This does not match the y-value of the point (0,1)(0, 1). We can eliminate this option.Testing f(x)=x+1f(x) = x+1:f(0)=0+1=1f(0) = 0+1 = 1. This matches the y-value of the point (0,1)(0, 1).Now, let's test the point f(x)=2xf(x) = 2^{x}00 with the remaining functions.Testing f(x)=2xf(x) = 2^{x}11:f(x)=2xf(x) = 2^{x}22. This does not match the y-value of the point f(x)=2xf(x) = 2^{x}00. We can eliminate this option.Testing f(x)=2xf(x) = 2^{x}:f(x)=2xf(x) = 2^{x}55. This matches the y-value of the point f(x)=2xf(x) = 2^{x}00.Testing f(x)=x+1f(x) = x+1:f(x)=2xf(x) = 2^{x}88. This matches the y-value of the point f(x)=2xf(x) = 2^{x}00.Finally, let's test the point (2,4)(2, 4) with the remaining functions.Testing f(x)=2xf(x) = 2^{x}:f(0)=20=1f(0) = 2^{0} = 122. This matches the y-value of the point (2,4)(2, 4).
  12. Test Function (22, 44): Testing f(x)=2xf(x) = 2^{x}:f(0)=20=1f(0) = 2^{0} = 1. This also matches the y-value of the point (0,1)(0, 1).Testing f(x)=2xf(x) = 2x:f(0)=20=0f(0) = 2\cdot0 = 0. This does not match the y-value of the point (0,1)(0, 1). We can eliminate this option.Testing f(x)=x+1f(x) = x+1:f(0)=0+1=1f(0) = 0+1 = 1. This matches the y-value of the point (0,1)(0, 1).Now, let's test the point (1,2)(1, 2) with the remaining functions.Testing f(0)=20=1f(0) = 2^{0} = 100:f(0)=20=1f(0) = 2^{0} = 111. This does not match the y-value of the point (1,2)(1, 2). We can eliminate this option.Testing f(x)=2xf(x) = 2^{x}:f(0)=20=1f(0) = 2^{0} = 144. This matches the y-value of the point (1,2)(1, 2).Testing f(x)=x+1f(x) = x+1:f(0)=20=1f(0) = 2^{0} = 177. This matches the y-value of the point (1,2)(1, 2).Finally, let's test the point f(0)=20=1f(0) = 2^{0} = 199 with the remaining functions.Testing f(x)=2xf(x) = 2^{x}:(0,1)(0, 1)11. This matches the y-value of the point f(0)=20=1f(0) = 2^{0} = 199.Testing f(x)=x+1f(x) = x+1:(0,1)(0, 1)44. This does not match the y-value of the point f(0)=20=1f(0) = 2^{0} = 199. We can eliminate this option.
  13. Test Function (22, 44): Testing f(x)=2xf(x) = 2^{x}:f(0)=20=1f(0) = 2^{0} = 1. This also matches the y-value of the point (0,1)(0, 1). Testing f(x)=2xf(x) = 2x:f(0)=20=0f(0) = 2\cdot 0 = 0. This does not match the y-value of the point (0,1)(0, 1). We can eliminate this option. Testing f(x)=x+1f(x) = x+1:f(0)=0+1=1f(0) = 0+1 = 1. This matches the y-value of the point (0,1)(0, 1). Now, let's test the point (1,2)(1, 2) with the remaining functions. Testing f(0)=20=1f(0) = 2^{0} = 100:f(0)=20=1f(0) = 2^{0} = 111. This does not match the y-value of the point (1,2)(1, 2). We can eliminate this option. Testing f(x)=2xf(x) = 2^{x}:f(0)=20=1f(0) = 2^{0} = 144. This matches the y-value of the point (1,2)(1, 2). Testing f(x)=x+1f(x) = x+1:f(0)=20=1f(0) = 2^{0} = 177. This matches the y-value of the point (1,2)(1, 2). Finally, let's test the point f(0)=20=1f(0) = 2^{0} = 199 with the remaining functions. Testing f(x)=2xf(x) = 2^{x}:(0,1)(0, 1)11. This matches the y-value of the point f(0)=20=1f(0) = 2^{0} = 199. Testing f(x)=x+1f(x) = x+1:(0,1)(0, 1)44. This does not match the y-value of the point f(0)=20=1f(0) = 2^{0} = 199. We can eliminate this option. The only function that matches all the given points is f(x)=2xf(x) = 2^{x}.

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