MemoryI382798 MemoryI382798
  • 03-11-2022
  • Mathematics
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Consider the following functions.Step 3 of 4: Find (f g)(-1). Simplify your answer.Answerf(x) = x² + 6 and g(x) = -x +5(-2)-1)=

Consider the following functionsStep 3 of 4 Find f g1 Simplify your answerAnswerfx x 6 and gx x 521 class=

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JensinJ214294 JensinJ214294
  • 03-11-2022
[tex]\begin{gathered} \text{Given} \\ f(x)=x^2+6 \\ g(x)=-x+5 \end{gathered}[/tex]

Solving for (f•g)(-1)

[tex]\begin{gathered} (f\cdot g)(x)=f(x)\cdot g(x) \\ (f\cdot g)(x)=(x^2+6)\cdot(-x+5) \\ (f\operatorname{\cdot}g)(-1)=((-1)^2+6)\operatorname{\cdot}(-(-1)+5) \\ (f\operatorname{\cdot}g)(-1)=(1+6)\cdot(1+5) \\ (f\operatorname{\cdot}g)(-1)=7\cdot6 \\ \\ \text{Therefore, }(f\operatorname{\cdot}g)(-1)=42 \end{gathered}[/tex]

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