The data given for a football kicked from the field follows a quadratic model, h(x) = - 3x2 + 18x + 7. Where h(t) is the height in feet and t is the in seconds. Using this model, what is the maximum height the ball will reach? 43 ft
7 ft
34 ft
17 ft

C) 34

Step-by-step explanation:

use -b/2a to find the x value of the vertex (3)

then plug 3 into equation

- 3(3)² + 18(3) + 7

the answer is 34

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