A2-mi cab ride costs $4.25. a 7-mi cab ride costs $8.50. which equation models the cost y of a cab ride that is x miles?
a. y= -0.85x+2.55
b. y= 0.85x-2.55
c. y= 0.85x+2.55
d. y= -0.85x-2.55

The answer is the option C

Step-by-step explanation:

Let

x-------> the number of miles

y------> the cost

The formula to calculate the slope between two points is equal to

we have

Substitute the values

Find the equation of the line

The equation of the line into slope-intercept form is equal to

we have

substitute and solve for b

The equation of the line is equal to

first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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step-by-step explanation: