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If f(x)=x^2+2 and g(x)=2 x-3 , then what is (f g)(1) equal to?

Options

  1. A3
  2. B1
  3. C-2
  4. D-3

Correct answer

D. -3

Step-by-step solution

f(x)=x^2+2g(x)=2 x-3(f g)(1)=f(1) g(1)=(1+2)(2-3)=-3 .

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