The table below represents the velocity of a car as a function of time.

1 answer:

4 0

We plot these data where x corresponds to the time and y corresponds to the velocity. Using the calculator, y - intercept is equal to 50. y-intercept is the y-value when x is zero. The car is accelerating. The average rate of change when x =1 to x=3 is (56-52)/(3-1) or 2 miles/hour^2. The car would reach 60 miles/hour when x=5 from the acceleration of 2. Domain is 5.

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the variable z is directly proportional to x. when x is 6, z has the value 18. what is the value of z when x = 10 the variable z

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