Question

The domain for f(x) and g(x) is the set of real numbers. Let f(x)=3x+5 and g(x)=x^2. Find f(x) + g(x).

Answer 1

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Answer:

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

Explanation:

You want ...

f(x) + g(x)

Substitute the function definitions:

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

Put in standard form:

= x^2 +3x +5