Q. Determine the value of y, if x is 3 .y=x2+11Answer:
Substitute x into function: Substitute the given value of x into the function.We have the function y=x2+11 and we need to find the value of y when x is 3.Substitute x=3 into the function.y=32+11
Calculate y: Calculate the value of y.First, calculate the square of 3.32=9Now, add 11 to the result.y=9+11y=20
Verify calculation: Verify the calculation for any possible math errors.We have calculated 32 as 9, which is correct.Then we added 11 to get 20, which is also correct.No math errors have been made.
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