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When you are done.click here to see a summary of your score Question with last attempt is displayed for your review only 3a - 18 Answer the following questions for the function, (a)5z + 6 A) Is the point (0,0) on the graph of y r()? oyes o no B) What is the domain of r()?Give your answer using interval notation. (-o3U-3-2 C)r4)-15 D) For what value(s) of a does r()026 E)r(z) -???. What is z? Preview Give your answer as an integer or a co 3 t Preview Give your answers Enter a Iist of reduced fractions or Messag

Explanation / Answer

r(x) = ( 3x - 18 ) / ( x^2 + 5x + 6 )

0.6 = ( 3x - 18 ) / ( x^2 + 5x + 6 )  

0.6 ( x^2 + 5x + 6 ) = 3x - 18

x = -12

2) interval of increase is ( -infinity , -1.5 ) U ( 1 , infinity )

interval of decrease is ( -1.5 , 1 )

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