SOLUTION: if f(x)=2x+3 and g(x)=x^2-3x^-1,then what is f(x)+g(x)?

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Question 667167: if f(x)=2x+3 and g(x)=x^2-3x^-1,then what is f(x)+g(x)?
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
if f%28x%29=2x%2B3 and g%28x%29=x%5E2-3x%5E-1,then
f%28x%29%2Bg%28x%29=%282x%2B3%29%2B%28x%5E2-3x%5E-1%29
f%28x%29%2Bg%28x%29=2x%2B3%2Bx%5E2-3%2A%281%2Fx%29
f%28x%29%2Bg%28x%29=x%5E2%2B2x-3%2Fx%2B3
f%28x%29%2Bg%28x%29=%28x%5E3%2B2x%5E2%2B3x-3%29%2Fx
+graph%28+600%2C+600%2C+-10%2C+30%2C+-30%2C+10%2C+%28x%5E3%2B2x%5E2%2B3x-3%29%2Fx%29+