
Using the quadratic formula we get

Therefore the tennis ball is at least 15 feet above the ground from 0.5 seconds to 2.04 seconds
Answer:
There is a vertical translation happening here:
- Up 2 units
- Down 4 units
This is the only change that has happened from f(x) to g(x).
Answer: ($3.532, $4.166)
Step-by-step explanation:
Given : Significance level : 
Critical value : 
Sample size : n= 157
Sample mean : 
Standard deviation : 
The confidence interval for population mean is given by :_


Hence, the 0% confidence interval for the average tip given at this restaurant = ($3.532, $4.166)
The answer which we found by inspection is
B. f(x) = -1/2x + 3