5. The monthly cost of driving a car depends on the number of miles driven. Pete found that in November his driving cost was$380 for 480 mi and in December his cost was $460 for 800 miles. (a) Find the equation of the line. (b) Use the answer in (a) to find out how much it costs to print 1200 miles? (c) What does the slope represent?
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.
5. The monthly cost of driving a car depends on the number of miles driven. Pete found that in November his driving cost was$380 for 480 mi and in December his cost was $460 for 800 miles.
(a) Find the equation of the line.
(b) Use the answer in (a) to find out how much it costs to print 1200 miles?
(c) What does the slope represent?
(d) What does the y intercept represent?
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