After m months, the height of a plant is 10+3m. how tall is the plant after one year?

After m months, the height of a plant is 10+3m. How tall is the plant after one year?

1 year is 12months ,plug in months

10+3(12)

10+ 33

43

Hi

Step-by-step explanation:

Hk

30

step-by-step explanation:

times by times

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!