What is f(-3) for the function f(x) = -5x -7?

1 Answer
Nov 17, 2015

8

Explanation:

f(-3) basically means substitute -3 for x in the function -5x - 7. In this case, substituting -3 for x results in:

f(-3) = -5(-3) - 7
f(-3) = 15 - 7
f(-3) = 8