Question

Given f(x)=6(8-x)+5.
What does the notation f(-2) mean?
What is the value of f(-2)?

Answer 1

f(-2) means that x = -2

f(-2) = 65

Explanation:

f(x) = 6(8 - x) + 5

f(-2) = 6(8 + 2) + 5

f(-2) = 6(10) +5

f(-2) = 60 + 5

f(-2) = 65