
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:
$12,000,000
Step-by-step explanation:
To find her commission, create a proportion.

To solve use cross multiplication.
40(x) = 100(480000)
40x = 48000000
x= 12,000,000
It's linear and equation of the function is :
f ( x ) = 2x - 1
Answer:
86
Step-by-step explanation: