Question

A function with an input of 4 has an output of 10. Which of the following could not be the function equation?A.y = x + 6B.y = 2x + 3C.y = 14 -xD.y = (2.5)x

Answer 1

I'll evaluate each option to find the solution

a) y = 14 - 4

y = 10 This is a function

b) y = 4 + 6

y = 10 This is a function

c) y = 2(4) + 3

y = 8 + 3

y = 11 This is not a function

d) y = 2.5(4)

y = 10 This is a function

The solution is y = 2x + 3