Lisa and Sarah left their homes at 7 pm and walked toward a park bench to meet. Lisa lives 1850 feet west of the bench and walks 325 feet per minute; Sarah lives 1430 feet east of the bench and walks 315 feet per minute. Define a formula to express n, Lisa's distance (in feet) from the park bench in terms of t, the number of minutes that have passed since 7:00pm. Define a formula to express m, Sarah's distance (in feet) from the park bench in terms of t, the number of minutes that have passed since 7:00pm. Define a formula to express d, the distance (in feet) between Lisa and Sarah in terms of t, the number of minutes that have passed since 7:00pm.
Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
Lisa and Sarah left their homes at 7 pm and walked toward a park bench to meet. Lisa lives 1850 feet west of the bench and walks 325 feet per minute; Sarah lives 1430 feet east of the bench and walks 315 feet per minute.
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Define a formula to express n, Lisa's distance (in feet) from the park bench in terms of t, the number of minutes that have passed since 7:00pm.
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Define a formula to express m, Sarah's distance (in feet) from the park bench in terms of t, the number of minutes that have passed since 7:00pm.
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Define a formula to express d, the distance (in feet) between Lisa and Sarah in terms of t, the number of minutes that have passed since 7:00pm.
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