Question

Evaluate ​f(x)=5x- 9 at the given value of x. ​

f(8​)

f(8)=

Answer 1

f(8) = 31

Explanation:

To evaluate f(8) substitute x = 8 into f(x)

f(8) = (5 × 8) - 9 = 40 - 9 = 31