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Mathematics 15 Online
OpenStudy (anonymous):

f(t)=-5t^2+20t+60

OpenStudy (anonymous):

help

OpenStudy (anonymous):

f(t)=-5(t-6(t+2)

OpenStudy (anonymous):

can I have more detail

OpenStudy (anonymous):

\[f(t)=-5(t^{2}-4t-12)\] \[ =-5(t+2)(t-6)\]

OpenStudy (anonymous):

if when f(t)=0, t=-2 and t=6

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