1. 90
2. 900
3. 9000
are your answer
You need to add the surface areas up together
Answer:
f(4y) = -8y - 3
Step-by-step explanation:
Step 1: Define variables
f(x) = -2x - 3
f(4y) = x = 4y
Step 2: Plug in x = 4y
f(4y) = -2(4y) - 3
f(4y) = -8y - 3
The length of the bigger piece is 28 and the total length is 40