Consider the function ƒ(x) = (x + 1)2 – 1. Which of the following functions stretches ƒ(x) vertically by a factor of 4? Question 8 options:

A)

ƒ(x) = 1∕4(x + 1)2 – 4

B)

ƒ(x) = 4(4x + 1)2 – 1

C)
ƒ(x) = (1∕4x + 1)2 + 3

D)

ƒ(x) = 4(x + 1)2 – 1

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?