Question 751821
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Use f(x) = x+3 and g(x) = x+7 to find each of the following:
 A: (f+g)(x) = f(x) + g(x) = (x+3) + (x+7) = x+3+x+7 = 2x+10
 B: (f-g)(x) = f(x) - g(x) = (x+3) - (x+7) = x+3-x-7 = -4
 C: (fg)(x) = f(x)·g(x) = (x+3)·(x+7) = x²+7x+3x+21 = x²+10x+21
 D: {{{(f/g)}}}(x) = {{{(x+3)/(x+7)}}}

Edwin</pre