Hi, I need a little help with problems like these; could someone give me step by step instructions on solving them?

1.Given the function g(x) = 5 − x^{2},

2. Given the function g(x) = xCode:evaluate g(x + h) − g(x) --------------- , h ≠ 0 h^{2}+ 2x,

evaluate [g(x) − g(a)] / [x - a] , x ≠ a

I know the answer for the second one, but I don't know how to solve them, and I really want to learn as I am sure it will be on other tests.

Thank you SO mycg!!

The answer to 2 is x + a + 2 , x ≠ a

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