Answer:
I hope it's correct
use the shell method
10 seconds
Step-by-step explanation:
Distance = 200 m
Velocity = 20m/s
Time =?
f+g = 3x^2-1. domain = all real numbers. then plug in two wherever there is an x.
f(x)=4*2^2-3, which equals 13
g(x)= -2^2+2, which equals -2
add
f+g when x=2 is 11
