Answer:
bet
Step-by-step explanation:
Answer: It's the second option
Step-by-step explanation:
Answer:
D/0
Step-by-step explanation:
the domain of (g o f )(x) is "all x > 0".
We can find h by calculating the area S of the parallelogram in two ways. We can write:

. On the other hand,

. Then:
Answer:
Third option: 12x^2+8x+25
Step-by-step explanation:
s1=8x^2
s2=4x^2+15
s3=8x+10
Total perimeter of the pool edge: P
P=s1+s2+s3
Replacing s1, s2 and s3 in the formula above:
P=(8x^2)+(4x^2+15)+(8x+10)
P=8x^2+4x^2+15+8x+10
Adding like terms:
P=12x^2+8x+25