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Illusion [34]
3 years ago
11

The time it takes you to get to campus varies inversely as your driving rate. averaging 20 miles per hour in terrible​ traffic,

it takes you 1.25 hrs to get to campus. how long would the trip take averaging 55 miles per​ hour?
Mathematics
1 answer:
Korvikt [17]3 years ago
3 0
Given that the time taken to get to campus is inversely proportional to driving rate, let the time be t and rate be r, thus the function will be written as:'
t=k/r
where
k is the constant of proportionality given by:
k=tr
when r=20 mph, t=1.25 hrs
thus
k=20×1.25
k=25 miles
thus the formula is:
t=25/r
when r=55 mph, the value of t will be:
t=25/55
t=5/11 hours

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zavuch27 [327]

Given:

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The new function if the parent function is translated up by 5 units and vertically stretched by a factor of 3.

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The translation is defined as

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Where, k is stretch factor, a is horizontal shift and b is vertical shift.

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If a>0, then the graph shifts a units left and if a<0, then the graph shifts a units right.

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