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# Functions Algebra Help

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#1) $$Let f(x) = 4x - 7, g(x) = (x + 1)^2, and s(x) = f(x) + g(x). What is s(3)?$$?

[looking for s(3)]

#2) $$Let f(x) = 2x^2 + 3x - 9, g(x) = 5x + 11, and, h(x) = -3x^2 + 1. Find f(x) - g(x) + h(x).$$

#3) $$Let f(x) = 3x + 2 ,and, g(x) = x^2 - 5x - 1. Find f(g(x)).$$

#4) $$Let f(x) = 3(x - 6)^2 + 1. What, ,is, ,the, ,range, of, f? Express, your, ,answer, ,with, ,interval, ,notation.$$

#5) $$The function f(x) satisfies f(\sqrt{x + 1}) = \frac{1}{x}for all x \ge -1, x\neq 0. Find f(2).$$

Feb 6, 2021

#1
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Too many questions in one post.........   try posting them seperately.....

Feb 6, 2021
#2
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My bad I saw other posts have many questions so I thought that was allowed/normal.

Guest Feb 6, 2021
#3
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Allowed obviously but not encouraged... you will not often get answers to all of your Q's when you post them this way....

Guest Feb 6, 2021