Find the coordinates of the vertices of the figure after the given transformation. reflection across the x-axis A) U'(0, 5), P'(-1, 0), R'(3, -1), D'(3, 2) B) U'(2, -4), P'(1, 1), R'(5, 2), D'(5, -1) C) U'(-1, 3), P'(-2, 2), R'(2, 3), D'(2, 0) D) U'(-4, -3), P'(-5, 2), R'(-1, 3), D'(-1, 0)

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!

m=-16

step-by-step explanation:

b

step-by-step explanation: