C = (9x2 - 4x + 2) and D = (-52 — 4) C+D=?
A:14x^2 + x+6
B:4x^2 - 9x-2
C:9x^2 - 9x -2
D:9x^2 + x+6

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

State one method by which you can recognize a perfect square trinomial.

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?