2x + 2x + 2c + 6 and (2x + C + 3)(2)

Consider the graph of the exponential function y=3(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.

Me find the value of x each figure.