A ball is thrown, and the height (in meters) as a function of time (in seconds) is h = -5t2 + 20t + 2.

For how many seconds was the height of the ball at least 17 meters?

How long was the ball in the air?

the answer is 37

step-by-step explanation:

the answer is 15.50 for one mile

b) is slope: 0   y- intercept 15.5

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step-by-step explanation:

1. a.) 2

2. d.)  the function has three real zeros. the graph of the function intersects the x-axis at exactly three locations.

3. a.) 3

4. c.) f(x) + (x+2)()(- ))

(5.)

1.) x = -3 

2.)x = 4

  3.) x = -4