Answer:
x = -16
Step-by-step explanation:
Set -2x - 12 = to 20 and solve for x:
Adding 12 to both sides, we get -2x = 32, so that x = -16
Answer:

Step-by-step explanation:
The functions are;

and

We want to find

First we find g(-4) to get:



Now

This implies that,



Range of values of x is
.
<u>Step-by-step explanation:</u>
With Rule of concurrency of two triangles, we have,

⇒
⇒ 
⇒ 
⇒
⇒ 
On simplifications, 
∴Range of values of x is
.
Answer:
Step-by-step explanation: