2 +1 help me please bro boy

Identify the parent function that can be used to graph the function f(x)= (1/4x)^3

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

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.