Asked by Jau

Let A(t) = 3- 2t^2 + 4^t. Find A(2) - A(1).
Answered by Anonymous
a(2)-a(1)=-2(2^2)+4^2+2(1^2)-4^1
= -8+16+2-4=6 check that.
Answered by Reiny
A(t) = 3- 2t^2 + 4^t
A(2) - A(1)
= 3 - 2(4) + 4(4) - (3 - 2(1) + 4(1))
= 3 - 8 + 16 - 3 + 2 - 4
= 6

you are correct
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