+ Trigonometry: Quiz 2 Below is the graph of a trigonometric function. It has a maximum point at (-77, 7.7) and a minimum point at 1 -6.7 3 -T, 6.7). Y (-7, 7.7) 9 8 7 6 5 4 3 2 1 х 1-4 -3 -2 23 -2 -A Catering T, - 6.7 What is the amplitude of the function?​

Darcy deposited $390 into a savings account. as long as the account balance remains at or above $150, she does not have to pay a service fee for the account. for how many months can she withdraw $40 a month without having to pay service fees? a) 3 b) 5 c) 6 d) 9