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Mathematics 9 Online
OpenStudy (anonymous):

Help with rate of change please <3 Cal was 38 in. tall. 15 months later, he was 43 in. tall. Find the rate of change

Directrix (directrix):

Time is the independent variable and growth the dependent variable. Use the slope formula to get the rate of change. (43 - 38) / 15 = ? per month? @YesNoYesNoYesYesNo

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