The height in feet of an arrow is modeled by the equation h(t)=(1+2t)(18−8t), where t is seconds after the arrow is shot. a. When does the arrow hit the ground? From what height is the arrow shot? Explain or show your reasoning​

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step-by-step explanation:

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

i believe that the slope of the line is -5

step-by-step explanation: