Answer:
The answer is D. Here is proof. PLEEEAAASE mark brainliest.
Step-by-step explanation:
D
-15, -11, 5
77cm
Area of a rectangle=L×B
So
7×11=77cm
6x+20
F(x) = 6x+2
f(x+3) means replace x with x+3
F(x+3) = 6(x+3)+2
= 6x+18+2
= 6x+20