Answer the questions below. when you are finished, submit this assignment to your teacher by the due date for full credit. total score: of 15 points (score for question 1: of 6 points)(a) let x = kim’s sister’s age. create your equation here: (b)

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answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

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