Asked by Anonymous
The velocity of a ball thrown in the air is 72ft
Per second. The height of the ball after t seconds
Is represented by the equation
H = 72ft t - 62t^2.
Describe the dependent variable, the domain and range.
Honestly I have to say I am lost
72 x 72ft - 256 = ?
Not sure if I am heading in the right direction
Per second. The height of the ball after t seconds
Is represented by the equation
H = 72ft t - 62t^2.
Describe the dependent variable, the domain and range.
Honestly I have to say I am lost
72 x 72ft - 256 = ?
Not sure if I am heading in the right direction
Answers
Answered by
Steve
the domain of all polynomials is all real numbers.
Naturally, in the real world, only positive time makes sense, so the domain here is just t >= 0
What planet is this ball on? gravity on earth wold make the function
H(t) = 72t - 16t^2
Find the vertex of that parabola. That is the maximum height. Naturally, negative height makes no sense, so the range is
0 <= H <= max-height at vertex.
Naturally, in the real world, only positive time makes sense, so the domain here is just t >= 0
What planet is this ball on? gravity on earth wold make the function
H(t) = 72t - 16t^2
Find the vertex of that parabola. That is the maximum height. Naturally, negative height makes no sense, so the range is
0 <= H <= max-height at vertex.
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