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ra1l [238]
3 years ago
13

Help plz!! The function h(t)=-16t^2+22t+4 models the height (h) of a football t seconds after it is thrown. The question ask to

the nearest foot, what is the greatest height that the football reaches? (Little help: Function in vertex form is h(t)=-16(x-11/16)^2+185/16)
Mathematics
1 answer:
Black_prince [1.1K]3 years ago
8 0
If you're familiar with the quadratic equation
\frac{ -b \pm \sqrt{b^2-4ac}}{2a}

well, \frac{ -b}{2a} is the x component of the vertex, in your case, the vertex is the highest point

figure out what t is at the highest point, and then substitute that back into the equation in order to determine height

x=t in this problem
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