For 13-15. Solve for what is asked in the following problems. Mr. dela Cruz encourages his students to solve Math problems fast and with accuracy. He observed in his Math class that the time it takes a student to solve x words problems is defined by the function f(x)=3x^2-x where f(x) is in minutes. * 13. Find the average rate of change in solving time from 1 to 3-word problems. A. 6 minutes/problem B. 21 minutes/problem C. 11 minutes/problem D. 25 minutes/problem

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter10: Exponential And Logarithmic Functions
Section10.2: Evaluate And Graph Exponential Functions
Problem 10.33TI: Another researcher at the Center for Disease Control and Prevention, Lisa, is studying the growth of...
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For 13-15. Solve for what is asked in the following problems. Mr. dela Cruz
encourages his students to solve Math problems fast and with accuracy.
He observed in his Math class that the time it takes a student to solve x
words problems is defined by the function f(x)=3x^2-x where f(x) is in
minutes. *
13. Find the average rate of change in solving time from 1 to 3-word problems.
A. 6 minutes/problem
B. 21 minutes/problem
C. 11 minutes/problem
D. 25 minutes/problem
Transcribed Image Text:For 13-15. Solve for what is asked in the following problems. Mr. dela Cruz encourages his students to solve Math problems fast and with accuracy. He observed in his Math class that the time it takes a student to solve x words problems is defined by the function f(x)=3x^2-x where f(x) is in minutes. * 13. Find the average rate of change in solving time from 1 to 3-word problems. A. 6 minutes/problem B. 21 minutes/problem C. 11 minutes/problem D. 25 minutes/problem
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