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sashaice [31]
3 years ago
11

A car enters a turnpike 22 miles north of a town. The car teavels north at an average speed of 64 miles per hour. How far is the

car from the town after 4 hours? Explain how you can use linear function to solve this problem. Then, solve the problem.​
Mathematics
2 answers:
ladessa [460]3 years ago
6 0

Answer:

Sample Response: Distance is a function of time. The constant rate of change is 64. Write the equation y = 64x + 22. Substitute 4 in for x to get 278 miles.

Step-by-step explanation:

HACTEHA [7]3 years ago
4 0

Answer:

  • distance traveled can be modeled by a linear function
  • the car is 260 miles north of town

Step-by-step explanation:

a) When the speed is constant, the distance traveled is proportional to the travel time, a linear relationship. The distance traveled can be added to the initial distance to obtain the total distance (from town). This relation is a linear function. It can be modeled by the equation ...

  d(t) = 4 + 64t . . . where t is travel time in hours, d(t) is the distance in miles

b) After 4 hours, the distance north of town is ...

  d(4) = 4 +64(4) = 260

The car is 260 miles from the town after 4 hours.

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