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VARVARA [1.3K]
3 years ago
15

Find the range of the function f(x)=2x+7 for the domain -2,3,8

Mathematics
1 answer:
Alborosie3 years ago
6 0

The range is the output value

f(-2) = 2(-2)+7 =3

f(3)= 2(3)+7 = 13

f(8) = 2(8)+7 = 23

The range is 3,13,23

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Can You Guys Please Help???
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Answer:


Step-by-step explanation:

The answer is c.


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Jim began a 165 mile bicycle trip to build up stamina for a triathlete competition unfortunately his bike chain broke so he fini
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Answer: Approximately 4.7 hours.

Step-by-step explanation:

He rode the bicycle for some time before it broke down and he walked the remaining distance. This means that Jim covered a total of 165 miles by riding at a speed of 35 miles per hour and walking at a speed of 3 miles per hour.

Let x = the distance covered by riding the bicycle.

Let y = the distance covered by walking.

Time = distance /speed

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Time he used in walking would be y/3

Since the entire trip took 7 hours,

x/35 + y/3 = 7

3x + 35y = 735 - - - - - - - - 1

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Substituting x = 165-y into equation 1, it becomes

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495-3y + 35y = 735

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