help! fan and medal!
a ball is thrown vertically upward from the top of a 100-foot tower, with an initial velocity of 20ft/sec. its position function is s(t)=-16t^2+20t+100. what is its velocity in ft/sec when t=1 second?
a. -12
b.-44
c.100
d.-32
what is the average rate of change of y with respect to x over the interval [-2,5] for the function y=3+2?
a. -9
b.3
c.1/3 ( wrong answer )
d.-1

Hey! We 've verified this expert answer for you, click below to unlock the details :)

I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!

What's stopping you from plugging t = 1 for the first problem?

Looking for something else?

Not the answer you are looking for? Search for more explanations.

## More answers

Looking for something else?

Not the answer you are looking for? Search for more explanations.