Question

Help please! I forgot how to do this.

If f(x) = 0.8(2 – x), what is the value of f(–2)?

A.
0

B.
1.6

C.
3.2

D.
3.6

Answer 1

@ranga

Answer 2

Substitute x = -2 and compute the right hand side.
f(x) = 0.8(2 – x)
f(-2) = 0.8(2 - (-2)) = ?

Answer 3

3.2?

Answer 4

Yes.

Answer 5

that's it?

Answer 6

Yes.

Answer 7

thanks! both of u!