Find (f+g)(3), (f-g)(3), (fg)(3), and (f/g)(3) for f(x)=x+3, g(x)=x^2

15, -3, 54, 2/3

Step-by-step explanation:

We have:

can be calculated as

So in this case,

And substituting x = 3,

can be calculated as

So in this case,

And substituting x = 3,

can be calculated as

So in this case,

And substituting x = 3,

can be calculated as

So in this case,

And substituting x = 3,

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-1/2 +2

step-by-step explanation: