Here are points A and B. C is the image of B using A as the center of dilation
and a scale factor of 2.
Use the sketch tool to plot point C.
Could you explain how to do it? Because there is another problem after this one that is the same.

attachment?

step-by-step explanation:

this answer is !

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!