Smith Mccarthy
06/30/2023 · Senior High School
1. A person can walk about 2.5 miles an hour. So in \( t \) hours, a person can walk \( d \) miles, where \( d=2.5 t \). a. Graph \( d=2.5 t \) with a graphing calculator on the window Xmin \( =-1, X \) max \( =3 \), and Ymin and Ymax of your choosing. b. Graph \( y=3.5 \) on the same screen and use it to estimate a solution to \( 2.5 t=3.5 \). c. Solve \( 2.5 t=3.5 \) to check your answer to Part b. d. What does the solution to \( 2.5 t=3.5 \) represent?
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a. Graph \( d = 2.5t \) with Xmin = -1, Xmax = 3, Ymin = 0, Ymax = 10.
b. Graph \( y = 3.5 \) on the same screen.
c. Solve \( 2.5t = 3.5 \) to get \( t = 1.4 \).
d. The solution \( t = 1.4 \) represents the time in hours to walk 3.5 miles at 2.5 miles per hour.
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