Y=sin(? when ?=0° the answer is 0
Y=0
Answer:
98.9
Step-by-step explanation:
115 - 20% = 92
92 + 7.5% = 98.9
7/8 x = 21
7x = 21×8
7x = 168
x = 24
ANSWER

EXPLANATION
The given function is

We rewrite this function to obtain,

We now compare this function to

We have

This implies that,

The vertex is (2,-11).
The focus is


