Question

Donna has a checking account that charges $0.15 for each check written and

Answer 1

The formular which can be used to obtain the monthly charges as a function of the number of cheques written is 9.75 + 0.15x

Charges on account :

• Charge per check written = $0.15
• Monthly services charge = $9.75

The total amount charged monthly, F as a function of the number of cheques written, x can be expressed thus :

Monthly service charge + (charge per check × number of cheques written)

F(x) = 9.75 + 0.15x

Therefore, the charge function which can be used to calculate the total monthly charge on his account ls F(x) = 9.75 + 0.15x

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