Question

HELP
Let f(x) = 3x - 10. Find the value of f(-3).
A. 21
B. -1
C. -19

Answer 1

Do you know how to begin solving this?

Answer 2

\[f(-3) = 3(-3) - 10\]

Answer 3

When you're given an f(x) equation and told to solve for f(a) (where a is just some number, all you need to do is plug the number given into each x you see in the f(x) equation.

Answer 4

So\[f(-3) = -9 -10\]
f(-3) = -19