Question

If f(x) = -3x - 2; find the value of f(3)

Answer 1

Replace f(x) with f(3)

f(3) = -3x - 2

This means that you replace any x values with 3

f(3) = -3(3) - 2

Now solve. Multiply first then subtract

f(3) = -9 - 2

(f3) = -11