Driving on the highway, you can safely drive 65 miles per hour. How far can you drive in ‘h’ hours? What is the domain of the function which defines this situation?
the number of hours you drive
65
the amount of gas you use
the distance you drive
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satellite73 (satellite73):
the domain in this case is \(h\) the hours your drive
OpenStudy (peace420):
Driving on the highway, you can safely drive 65 miles per hour. Which of the following functions could be used to find how far you can drive in ‘h’ hours?
D = $ \frac {h} {65} $
D = 65 + h
D = $ \frac {65} {h} $
D = 65h
satellite73 (satellite73):
those dollar signs don't work here
OpenStudy (peace420):
Okay let me try and write it a different way
satellite73 (satellite73):
no need
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satellite73 (satellite73):
if you drive 65 miles per hour for two hours, how far do you go?
OpenStudy (peace420):
130 miles but thats not the question
satellite73 (satellite73):
i know it is not the question, but you answered it easily
how did you get it?
OpenStudy (peace420):
i multiplied 65 by 2..
satellite73 (satellite73):
right
replace the 2 with an h
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OpenStudy (peace420):
D=65h??
satellite73 (satellite73):
yes
as in the famous "distance equals rate times time"
OpenStudy (peace420):
Thank you Satellite!
satellite73 (satellite73):
yw
OpenStudy (peace420):
Could you help with some more questions? Please? if not thats okay