Question

In the table, x represents the age in years of a collectible baseball card, and y represents its value in dollars. Cost of a Pack of Baseball Cards Age in years, x Value in dollars, y 5 0.75 10 5.75 15 10.75 20 15.75

Answer 1

Given : In the table, x represents the age in years of a collectible baseball card, and y represents its value in dollars  

x     5          10        15        20

y    0.75     5.75    10.75  15.75

To Find : Slope of the linear function that the table represents

Solution:

x        y

5       0.75  

10      5.75

15      10.75

20     15.75

Slope =  (5.75 - 0.75)/(10 - 5)

= 5/5

= 1

y -0.75 = 1(x - 5)

=> y  = x -  4.25

is the equation

1 is the sloe of the line

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