Mathematics
Lorde
2016-09-21 21:24:09
A leaf hangs from a branch 12 feet in the air. It falls to the ground at a rate of 0.25 feet per second. Which graph could represent the leaf’s height in feet as a function of time, in seconds, after leaving the branch?
ANSWERS
morancj13
2016-09-22 02:57:29

As time passes, the distance from the falling leave decreases; Moreover at time = 0, the leave it at 12 ft from the ground. Let t = time and h = height at time t, the equation becomes: h(t) = - 0.25t + h₀ (h₀ is the height at time zero, that is 12 ft h(t) = - 0.25t + 12

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