Question

Evaluate the following function when x = 456


f(x) = 350 + 1/2x

Answer 1

The answer is 578. Because x = 456, you plug in 456 for every x in the function, f(456) = 350 + 1/2(456), like so. Then multiply 456 by 1/2 which equals 228. You are now left with 350 + 228 which equals 578.

Answer 2

53f(x) = x

Explanation:

( I converted 1/2 into .5 but it is not necessary)

x = 456f(x) = 350 + .5x start by subtracting 350 from both sides

-350 -350

106f(x) = .5x then divide both sides by .5

/.5 /.5

53f(x) = x then you are left with your answer, hope this helps