which of the given functions could this graph represent?
a. rx) = x(x - 1)(x-2)
b. rx) = x(x - 1)(x+1)
c. rx) = x(x - 1)(x-2)(x + 1)(x + 2)
d. rx) = (x - 1)(x - 2)(x + 1)(x + 2)

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.