SOLUTION: Any help on this would be appreciated. Pleasse show your work. Thanks Let F(u)=u^2-u-1 Find (A)F(10) (B)F(u^2) (C)(5u) (D)5F(u) Thanks once again.

SOLUTION: Any help on this would be appreciated. Pleasse show your work. Thanks Let F(u)=u^2-u-1 Find (A)F(10) (B)F(u^2) (C)(5u) (D)5F(u) Thanks once again.

Algebra.Com

Question 930535: Any help on this would be appreciated. Pleasse show your work. Thanks
Let F(u)=u^2-u-1 Find
(A)F(10) (B)F(u^2) (C)(5u) (D)5F(u)
Thanks once again.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Let F(u)=u^2-u-1 Find
(A)F(10)
Wherever there's a u, sub 10
F(10) = 10^2 - 10 - 1 = 89
--------
Do the same for the others.
(B)F(u^2) (C)(5u) (D)5F(u)

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