Question

Given the function f(x)=4x-9, evaluate and simplify the following f(-6) and f(4)

Answer 1

Answer:

f(-6) = -33, f(4) = 7

Step-by-step explanation:

$f(x)=4x-9$

f(-6), f(4)

Put x = -6 and x = 4 to the equation of the function:

$f(-6)=4(-6)-9=-24-9=-33\\\\f(4)=4(4)-9=16-9=7$