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If f(x) = -+ 3x + 5 and g(x) = x2 + 2x, which graph shows the graph of (f + 9)x)?

If f(x) = -+ 3x + 5 and g(x) = x2 + 2x, which graph shows the graph of (f + 9)x)?
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If f(x) = -+ 3x + 5 and g(x) = x2 + 2x, which graph shows the graph of (f + 9)x)?

User Matt Lacey
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1 Answer

6 votes

Answer:


(f+g)(x)=x^2+5x+5\\(f+g)(x)=x^2-x+5

Explanation:


g(x)=x^2+2x


if\ f(x)=3x+5\\(f+g)(x)=f(x)+g(x)\\=x^2+5x+5


if\ f(x)=-3x+5\\(f+g)(x)=f(x)+g(x)\\=x^2-x+5

Graphs are attached.

If f(x) = -+ 3x + 5 and g(x) = x2 + 2x, which graph shows the graph of (f + 9)x)?-example-1
If f(x) = -+ 3x + 5 and g(x) = x2 + 2x, which graph shows the graph of (f + 9)x)?-example-2
User Neezer
by
7.7k points
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