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)   (Show Source): You can put this solution on YOUR website!
Substitution and Simplification

(a)

and you know what to do...

(b)

and again, you know what to do.
Answer by MathTherapy(10552)   (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: 

 

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