Two sides of a triangle measure 18 meters and 13 meters. Which of the following measures could represent the perimeter of the triangle? A. 34 meters

B. 37 meters

C. 68 meters

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!

a.)the line for function b is steeper

the answer is  

d.

8 m

hope you got it down chief.