SOLUTION: Let f be the function defined by f(x)=2x^2+5. Find f(a+h), f(-a), f(a^2), f(a-2h), f(2a-h)

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Question 1124272: Let f be the function defined by f(x)=2x^2+5. Find f(a+h), f(-a), f(a^2), f(a-2h), f(2a-h)
Found 2 solutions by solver91311, josgarithmetic:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!






You will still need to expand

Follow the same procedure for the rest of them.


John

My calculator said it, I believe it, that settles it

Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Do each substitution and simplify.

One and only one example:
f%28-a%29=2%28-a%29%5E2%2B5
2%28%28-1%29%28-1%29a%5E2%29%2B5
2a%5E2%2B5