ypalacios64573 ypalacios64573

09-06-2021
Mathematics

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The function h defined by h(t)=(49 + 4.9t)(10 - t) models the height, in meters, of an object t seconds after it is dropped from a helicopter.

Find or approximate the time when the object hits the ground. Explain your method.

Respuesta :

designsbysara58 designsbysara58

09-06-2021

10 seconds! you put in 0 for h, and then set the parentheses to equal zero. it can’t be negative, so it must be 10.

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