SOLUTION: Let f(x) = 2-x2, evaluate (a) f(x+1) and (b) f(x)+f(1). my answer to a. is x^2-2x+1 b. ?

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Question 1121194: Let f(x) = 2-x2, evaluate (a) f(x+1) and (b) f(x)+f(1).
my answer to
a. is x^2-2x+1
b. ?
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Substitution and Simplification

(a)
2-%28x%2B1%29%5E2
and you know what to do...

(b)
2-x%5E2%2B%282-1%5E2%29
and again, you know what to do.

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

Let f(x) = 2-x2, evaluate (a) f(x+1) and (b) f(x)+f(1).
my answer to
a. is x^2-2x+1
b. ?
Your answer to a) is incorrect. Instead it should be: