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Question

# 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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