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baherus [9]
2 years ago
15

the function h=-16t^2+48t represents the height h (in feet) of a kickball t seconds after it is kicked from the ground

Mathematics
1 answer:
Julli [10]2 years ago
6 0

Answer:

36 feet

Step-by-step explanation:

Given

h(t) = -16t^2 + 48t

Required

Determine the maximum height attained

First, calculate the time to reach maximum height;

In a quadratic equation;

y = ax^2 + bx + c

The maximum is:

x = -\frac{b}{2a}

So, we have:

t = -\frac{b}{2a}

Where

a = -16; b = 48

So:

t = -\frac{b}{2a}

t = -\frac{48}{2 * -16}

t = -\frac{48}{-32}

t = \frac{48}{32}

t = 1.5

The maximum height is at: t = 1.5

So, we have:

h(t) = -16t^2 + 48t

h_{max}=-16 * 1.5^2 + 48 * 1.5

h_{max}=36

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