Question

H(x) = 4x + 5
g(x) = 3x + 5
Find (h + g)(-2)

Answer 1

`-4`

Explanation:

So we have the two functions:

`h(x)=4x+5\text{ and } g(x)=3x+5`

And we want to find:

`(h+g)(-2)`

This is the same as:

`h(-2)+g(-2)`

Let's substitute them for their functions:

`=(4(-2)+5)+(3(-2)+5)`

Multiply:

`=(-8+5)+(-6+5)`

Add:

`=-3-1`

Subtract:

`=-4`

And we're done!