Solve Assume the Exercise Describes a Linear Relationship

Multiple Choice

Solve. Assume the exercise describes a linear relationship. When writing a linear equation, write the equation in
slope-intercept form.
-When making a telephone call using a calling card, a call lasting 3 minutes costs $1.00. A call lasting 11 minutes costs $2.60. Let y be the cost of making a call lasting x minutes using a calling card. Write a linear equation that
Models the cost of making a call lasting x minutes.

A) y = 0.2x - 8.4
B) y = 5x - 14
C) y = -0.2x + 1.6
D) y = 0.2x + 0.4