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19-09-2021
Mathematics

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g(t)=r^2+5t
h(t)=-4t-1
Find (g+h)(8)

Please explain how to do this!!!!

gtr25t ht4t1 Find gh8 Please explain how to do this class=

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hnori22003 hnori22003

19-09-2021

( g + h )(t)= g(t) + h(t)

( g + h )(t) = t^2 + 5t - 4t - 1

( g + h )(t) = t^2 + t - 1

______________________

( g + h )(8) = 8^2 - 8 - 1

( g + h )(8) = 64 - 8 - 1

( g + h )(8) = 56 - 1

( g + h )(8) = 55

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