In which choice is y a function of x? А
(1,3), (3, 4), (4, 5), (5, 6)
B
(2,0), (2, 3), (4, 5), (6, 7)
(2,5), (4,8), (6, 10), (2, 12)
C
(6,2), (4, 1), (6, 8), (8, 10)

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!

c

step-by-step explanation:

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step-by-step explanation:

maya’s expression will generate the wrong sum because she violated the commutative property.

step-by-step explanation: