SOLUTION: if f(t)=2t^2 -4t - 1 find f(2) F(-1)

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Question 140982: if f(t)=2t^2 -4t - 1 find f(2) F(-1)
Answer by checkley77(12844) About Me  (Show Source):
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f(t)=2t^2-4t-1
find f(2),F(-1
f(2)=2*2^2-4*2-1
f(2)=2*4-8-1
f(2)=8-8-1
f(2)=-1 answer.
f(-1)=2*-1^2-4*-1-1
f(-1)=2*1+4-1
f9-1)=2+4-1
f(-1)=5 answer.