Question

If h(x) = 5x − 3 and j(x) = −2x, solve h[j(2)] and select the correct answer below.

17
23
−17
−23

Answer 1

h(j(2)) = h(-2*2) = h(-4) = (5*-4) - 3 = -20 - 3 = -23

Answer 2

Option 4 -
`h[j(2)]=-23`

Step-by-step explanation:

Given : If
`h(x)=5x-3` and
`j(x)=-2x`

To find : Solve h[j(2)] ?

Solution :

First we find h[j(x)],

`h[j(x)]=h[-2x]`

`h[j(x)]=5(-2x)-3`

`h[j(x)]=-10x-3`

Now substitute x=2,

`h[j(2)]=-10(2)-3`

`h[j(2)]=-20-3`

`h[j(2)]=-23`

Therefore, Option 4 is correct.