ristina believes that her score on an upcoming test can be modeled by the equation y=5.6x+57y=5.6x+57 where xx  represents the number of hours spent studying, and yy  represents Cristina's test score.   Assuming this equation is accurate, predict Cristina's test score if she studies for 1 hour.   Assuming this equation is accurate, predict Cristina's test score if she studies for 4 hours.

Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter8: Rational Expressions And Equations
Section8.9: Use Direct And Inverse Variation
Problem 8.175TI: The distance that Brad travels varies directly with the time spent traveling. Brad travelled 660...
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Cristina believes that her score on an upcoming test can be modeled by the equation

y=5.6x+57y=5.6x+57

where xx  represents the number of hours spent studying, and yy  represents Cristina's test score.

 

Assuming this equation is accurate, predict Cristina's test score if she studies for 1 hour.

 

Assuming this equation is accurate, predict Cristina's test score if she studies for 4 hours.

 

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