It’s basically the same thing as -4=20 so your answer would be -5 or D
You have to pay the 90$ we all ready know it’s over 90. 15% of 90 is just 90x0.15 which is 13.50. So the fee (13.50) plus the cost(90) is 103.50$ total for the raft
I think it would take about 1 hour and 17 minutes
y-intercept for x = 0.
Substitute x = 0 to the equation of the function:

Step-by-step explanation:
f(x)=2x+1 and g(x)=x²-7
(f/g)(x) = (2x+1)/(x²-7)