The phone company Splint has a monthly cellular plan where a customer pays a flat monthly fee and then a certain amount of money per minute used on the phone. If a customer uses 160 minutes, the monthly cost will be $109. If the customer uses 530 minutes, the monthly cost will be $294. A) Find an equation in the form y=mx+b, where x is the number of monthly minutes used and y is the total monthly of the Splint plan. Answer: y= B) Use your equation to find the total monthly cost if 802 minutes are used. Answer: If 802 minutes are used, the total cost will be dollars.
Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
The phone company Splint has a monthly cellular plan where a customer pays a flat monthly fee and then a certain amount of money per minute used on the phone. If a customer uses 160 minutes, the monthly cost will be $109. If the customer uses 530 minutes, the monthly cost will be $294.
A) Find an equation in the form y=mx+b, where x is the number of monthly minutes used and y is the total monthly of the Splint plan.
Answer: y=
B) Use your equation to find the total monthly cost if 802 minutes are used.
Answer: If 802 minutes are used, the total cost will be dollars.
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