What is the pattern 56,224,896,3,584

Start with 56.

To get each new term, multiply the previous term by 4.

Step-by-step explanation:

Divide each term by the previous term.

224/56 = 4

896/224 = 4

3584/896 = 4

The common ratio is 4.

The pattern is:

Start with 56.

To get each new term, multiply the previous term by 4.

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!