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1. find the domain and range of g(x)=3+sqrt x

 

2.Suppose that f(x)=ax+b, where  a and b  are real numbers. Given that f(f(f(x)))=8x+21, what is the value of a+b

 Sep 15, 2020
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1. Domain = (-inf,inf), Range = (-inf,inf)

 

2. a + b = 14.

 Sep 16, 2020

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