Question

Evaluate the frunction f(x)=2x-4,for f(-3)

Answer 1

-10

Explanation:

f(x) = 2x - 4

f(-3) = 2(-3) - 4

f(-3) = -6 - 4

f(-3) = -10

Answer 2

Answer: the answer is 3

Explanation:

This says to put " 3" into 2x + 4 and then evaluate

So

2(3) + 4 =

6 + 4 =

10

'x' can be thought of as a "box" that contains some number.....in this case, the number is 3......!!!