The fare charged by a taxi company is described by the linear equation y=3.5x +4.5, where x is the number of miles traveled and
y is the tota cost. What is the rate of change, in dollars per mile?
$3.50 per mile
$10.00 per mile
$4.50 per mile
$8.00 per mile
1 answer:
Answer:
$3.50 per mile
Step-by-step explanation:
Slope-intercept form of a linear equation: 
(where m is the slope and b is the y-intercept)
Given linear equation: 
(where x is the number of miles traveled and y is the total cost)
The rate of change is the slope of the linear equation.
Therefore, the rate of change is $3.50 per mile.
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