The domain for f(x) and g(x) is the set of all real numbers. Let f(x) = 3x + 5 and g(x) = x2.
Find f(x) + g(x).

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

Step-by-step explanation:

In order to do this, you need to substitute f(x) for 3x +5 and substitute g(x) for x2 (which I'm assuming is x squared, which I will be wrIting as x^2. If this is not the problem, please correct me)

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

Now, you need to put the varibles in decreasing order of exponents.

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

Step-by-step explanation:

The domain of a function is the set of all possible inputs for the function. For example, the domain of f(x)=x² is all real numbers, and the domain of g(x)=1/x is all real numbers except for x=0. We can also define special functions whose domains are more limited.

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step-by-step explanation:

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