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Mathematics 9 Online
OpenStudy (anonymous):

The graph shows the amount of time that Dewayne spent on a practice exam based on the number of questions he completed. What is the function rule? How much time will he spend if the actual exam has 20 questions?

OpenStudy (anonymous):

OpenStudy (anonymous):

please help me

OpenStudy (anonymous):

@pfenn1help!!!!!!!!!!!!!!!!!!!

OpenStudy (anonymous):

@pfenn1

OpenStudy (pfenn1):

The graph show that for 2 question he spent 10 minutes, for 4 he spent 20 minutes and for 6 he spent 30. What do you think the function might be? Or alternatively you could write an equation for a line that passes through any two points.

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