Save & Exit Vanessa is mixing formula for her baby. The graph given below describes the relationship between the ounces of
water to the scoops of formula to make a properly mixed bottle.
Ounces
15
14
13
12
11
10
9
8
7
6
3
13 14 15 Scoops
Write an equation to relate the ounces of water to the scoops of formula.
US O 8

37

step-by-step explanation:

hello from mrbilldoesmath!

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

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!