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jekas [21]
3 years ago
9

PLEASE HELP ASAP!!!!

Mathematics
1 answer:
AleksAgata [21]3 years ago
8 0

Answer:

see below   PLEASE GIVE BRAINLIEST

Step-by-step explanation:

Rate on still sidewalk :  49 ÷ 7 = 7 ft per second

Rate of moving sidewalk : 77 ÷ 7 = 11 ft per second

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Answer:

Average rate of  change for the function for the interval (6, 12] is 500 people per year.

Option A is correct.

Step-by-step explanation:

We need to find the average rate of  change for the function for the interval

(6, 12]

The formula used to calculate Average rate of change is:

Average \ rate \ of \ change=\frac{f(b)-f(a)}{b-a}

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Looking at the graph we can see that when x=6 y= 3000 so, f(a)=3000

and when x=12, y=6000 so, f(b)=6000

Putting values in formula and finding Average rate of change:

Average \ rate \ of \ change=\frac{f(b)-f(a)}{b-a}\\Average \ rate \ of \ change=\frac{6000-3000}{12-6}\\Average \ rate \ of \ change=\frac{3000}{6}\\Average \ rate \ of \ change=500

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Option A is correct.

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3 years ago
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ValentinkaMS [17]

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Please help if you can.
iVinArrow [24]

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