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1. Let ​f(x)=x2−9 and g(x)=15−x. Perform the composition or operation indicated. ​(fg)(−8​)= 2. Let f(x)=x2−8 and...

1. Let ​f(x)=x2−9 and g(x)=15−x.

Perform the composition or operation indicated.

​(fg)(−8​)=

2. Let f(x)=x2−8 and ​g(x)=16−x.

Perform the composition or operation indicated.

(f/g)(7)=

3. Let ​f(x)=5x+4 and g(x)e=4x−7. Find ​(f+​g)(x),(f−​g)(x), ​(fg)(x), and (f/g)(x)

Give the domain of each.

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