Question

If f(x) = 5x + 4 what is the value of f(-2) ?

Answer 1

-6

Explanation:

Take the x out for -2

f(-2) is equivalent to x=-2

f(x) = 5x + 4

1. f(-2)=5(-2)+4

2. f(-2)= -10+4

3. -6

Answer 2

X = -2

5(-2) + 4 = ? (Multiply -2)

-10 + 4 = -6