Using a phone card to make a long distance call costs a flat fee of $\$ 0.88$ plus $\$ 0.25$ per minute starting with the first minute. What is an equation of the form $y = m x + b$ for this situation?
A) $y = 0.88 x + 0.25$
B) $y = 0.25 x$
C) $y = 0.25 x + 0.88$
D) $y = 0.88 x$

Question

Quizplus · Accepted Answer

The equation $y = 0.25x + 0.88$ correctly represents the cost of the call, where $y$ is the total cost, $x$ is the number of minutes, $0.25$ is the cost per minute, and $0.88$ is the flat fee.

Using a Phone Card to Make a Long Distance Call $0.88\$ 0.88$0.88

Using a Phone Card to Make a Long Distance Call $\$ 0.88$