Answer:
2
Step-by-step explanation:
Take the absolute value of the lowest y value.
So

Take the absolute value of highest y value.

Add those two together and divide by two.

So the amplitude is 2
Answer:
7/20
Step-by-step explanation:
given,
2r = 7/10
r= 7/10*1/2
r= 7/20
I ain't gonna explain how I got to this cuz I'm quite tired rn but trust me the answer is 2c²
Sales increased 50% last year, from $5,000 to $10,000. When sales dropped from $10,000 to $5,000 this year, sales decreased 50%
m=miles
cost for 1 mile ride= $2.20
c=cost
rule c=0.20m+2.00
c=0.20x1+2
c=0.20+2
c+2.20