The following formula determines the minimum number of hours of studying required to attain a test score, x. p(x)=0.31x/100.5-x Question 4 options:
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The following formula determines the minimum number of hours of studying required to attain a test

score, x. 


p(x)=0.31x/100.5-x


Question 4 options:


a) 

How many hours of study are needed to score an 80?


b) 

What score can you achieve if you study for 6 hours?


c) 

How many hours of study are needed to score the mark you would like to obtain in this course? 

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