Please help me with this

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

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.

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9