Q. 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)2f(x)=2xf(x)=2xf(x)=x+1
Test Function 0,1: Let's test each given function with the points provided to see which one fits all the points.First, we will test the point 0,1 with each function.
Test Function (1,2): Testing f(x)=(x+1)2:f(0)=(0+1)2=12=1. This matches the y-value of the point (0,1).
Test Function 2,4: Testing f(x)=2x:f(0)=20=1. This also matches the y-value of the point 0,1.
Test Function (2, 4): Testing f(x)=2x:f(0)=20=1. This also matches the y-value of the point (0,1).Testing f(x)=2x:f(0)=2×0=0. This does not match the y-value of the point (0,1). We can eliminate this option.
Test Function (2,4): Testing f(x)=2x:f(0)=20=1. This also matches the y-value of the point (0,1).Testing f(x)=2x:f(0)=2⋅0=0. This does not match the y-value of the point (0,1). We can eliminate this option.Testing f(x)=x+1:f(0)=0+1=1. This matches the y-value of the point (0,1).
Test Function (2, 4): Testing f(x)=2x:f(0)=20=1.This also matches the y-value of the point (0,1).Testing f(x)=2x:f(0)=2⋅0=0.This does not match the y-value of the point (0,1). We can eliminate this option.Testing f(x)=x+1:f(0)=0+1=1.This matches the y-value of the point (0,1).Now, let's test the point (1,2) with the remaining functions.
Test Function (2,4): Testing f(x)=2x:f(0)=20=1. This also matches the y-value of the point (0,1).Testing f(x)=2x:f(0)=2⋅0=0. This does not match the y-value of the point (0,1). We can eliminate this option.Testing f(x)=x+1:f(0)=0+1=1. This matches the y-value of the point (0,1).Now, let's test the point f(x)=2x0 with the remaining functions.Testing f(x)=2x1:f(x)=2x2. This does not match the y-value of the point f(x)=2x0. We can eliminate this option.
Test Function (2, 4): Testing f(x)=2x:f(0)=20=1. This also matches the y-value of the point (0,1).Testing f(x)=2x:f(0)=2⋅0=0. This does not match the y-value of the point (0,1). We can eliminate this option.Testing f(x)=x+1:f(0)=0+1=1. This matches the y-value of the point (0,1).Now, let's test the point (1,2) with the remaining functions.Testing f(0)=20=10:f(0)=20=11. This does not match the y-value of the point (1,2). We can eliminate this option.Testing f(x)=2x:f(0)=20=14. This matches the y-value of the point (1,2).
Test Function (2, 4): Testing f(x)=2x:f(0)=20=1. This also matches the y-value of the point (0,1).Testing f(x)=2x:f(0)=2⋅0=0. This does not match the y-value of the point (0,1). We can eliminate this option.Testing f(x)=x+1:f(0)=0+1=1. This matches the y-value of the point (0,1).Now, let's test the point (1,2) with the remaining functions.Testing f(0)=20=10:f(0)=20=11. This does not match the y-value of the point (1,2). We can eliminate this option.Testing f(x)=2x:f(0)=20=14. This matches the y-value of the point (1,2).Testing f(x)=x+1:f(0)=20=17. This matches the y-value of the point (1,2).
Test Function (2, 4): Testing f(x)=2x:f(0)=20=1.This also matches the y-value of the point (0,1).Testing f(x)=2x:f(0)=2⋅0=0.This does not match the y-value of the point (0,1). We can eliminate this option.Testing f(x)=x+1:f(0)=0+1=1.This matches the y-value of the point (0,1).Now, let's test the point (1,2) with the remaining functions.Testing f(0)=20=10:f(0)=20=11.This does not match the y-value of the point (1,2). We can eliminate this option.Testing f(x)=2x:f(0)=20=14.This matches the y-value of the point (1,2).Testing f(x)=x+1:f(0)=20=17.This matches the y-value of the point (1,2).Finally, let's test the point f(0)=20=19 with the remaining functions.
Test Function (2,4): Testing f(x)=2x:f(0)=20=1. This also matches the y-value of the point (0,1).Testing f(x)=2x:f(0)=2⋅0=0. This does not match the y-value of the point (0,1). We can eliminate this option.Testing f(x)=x+1:f(0)=0+1=1. This matches the y-value of the point (0,1).Now, let's test the point f(x)=2x0 with the remaining functions.Testing f(x)=2x1:f(x)=2x2. This does not match the y-value of the point f(x)=2x0. We can eliminate this option.Testing f(x)=2x:f(x)=2x5. This matches the y-value of the point f(x)=2x0.Testing f(x)=x+1:f(x)=2x8. This matches the y-value of the point f(x)=2x0.Finally, let's test the point (2,4) with the remaining functions.Testing f(x)=2x:f(0)=20=12. This matches the y-value of the point (2,4).
Test Function (2, 4): Testing f(x)=2x:f(0)=20=1. This also matches the y-value of the point (0,1).Testing f(x)=2x:f(0)=2⋅0=0. This does not match the y-value of the point (0,1). We can eliminate this option.Testing f(x)=x+1:f(0)=0+1=1. This matches the y-value of the point (0,1).Now, let's test the point (1,2) with the remaining functions.Testing f(0)=20=10:f(0)=20=11. This does not match the y-value of the point (1,2). We can eliminate this option.Testing f(x)=2x:f(0)=20=14. This matches the y-value of the point (1,2).Testing f(x)=x+1:f(0)=20=17. This matches the y-value of the point (1,2).Finally, let's test the point f(0)=20=19 with the remaining functions.Testing f(x)=2x:(0,1)1. This matches the y-value of the point f(0)=20=19.Testing f(x)=x+1:(0,1)4. This does not match the y-value of the point f(0)=20=19. We can eliminate this option.
Test Function (2, 4): Testing f(x)=2x:f(0)=20=1. This also matches the y-value of the point (0,1). Testing f(x)=2x:f(0)=2⋅0=0. This does not match the y-value of the point (0,1). We can eliminate this option. Testing f(x)=x+1:f(0)=0+1=1. This matches the y-value of the point (0,1). Now, let's test the point (1,2) with the remaining functions. Testing f(0)=20=10:f(0)=20=11. This does not match the y-value of the point (1,2). We can eliminate this option. Testing f(x)=2x:f(0)=20=14. This matches the y-value of the point (1,2). Testing f(x)=x+1:f(0)=20=17. This matches the y-value of the point (1,2). Finally, let's test the point f(0)=20=19 with the remaining functions. Testing f(x)=2x:(0,1)1. This matches the y-value of the point f(0)=20=19. Testing f(x)=x+1:(0,1)4. This does not match the y-value of the point f(0)=20=19. We can eliminate this option. The only function that matches all the given points is f(x)=2x.
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