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erma4kov [3.2K]
3 years ago
15

Jennie rides her bike 12 miles per hour on a trail in the park. The trail is 18 miles long. The function, f, can be used to dete

rmine the number of miles biked after t hours. What is the domain and range?
Mathematics
1 answer:
defon3 years ago
3 0

Answer:

  • domain: [0, 1.5]
  • range: [0, 18]

Step-by-step explanation:

Jennie will complete her ride after 1.5 hours, so the function has no utility except for time values between 0 and 1.5 hours.

The domain is the interval [0, 1.5] (hours).

__

The range of the function is the set of possible distances along the trail, so will be values between (and including) 0 and 18 miles.

The range is the interval [0, 18] (miles).

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Complete Question

The complete question is shown on the first uploaded image

Answer:

1

   A_1  =  67.58 \ in^2

2

   A_2 =415.4 \ ft^2

3

   A_3  =  8.48 \ cm^2

4

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Step-by-step explanation:

Generally the area of a sector is mathematically represented as

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Now at r_1  = 11 in and  \theta_1 =  64^o

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Now at  r_2  = 20 ft in and  \theta_2  =  119 ^o

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         A_4 =  \frac{273}{360}  * 3.142 * 14.2^2

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