Answer:

Step-by-step explanation:
we have


we know that

substitute the variable x in the function g(x) by the function f(x)
so

Evaluate 
For x=0


12/5 - 3/10 = 24-3 /10 = 21/10
OR 2.1 in decimal form
Pythagoras theoram? use it here!
That is,
H² = 15² + 4²
H² = 225 + 16
H = √241
H = 15.5
You should opt for 15.5
P.S: Best of luck for your test! ;))
Answer:
54x^2 + 10x
Step-by-step explanation: