Question: The functions d1 = 1.5t and d2 = 12 - 2.5t represent Edna's and Maria's distances in miles from a trailhead, as functions of time

The functions d1 = 1.5t and d2 = 12 - 2.5t represent Edna's and Maria's distances in miles from a trailhead, as functions of time in hours.
a. Write parametric equations to simulate Edna's hike north away from the trailhead.
Use x = 1.
b. Write parametric equations to simulate Maria's hike south toward the trailhead.
Use x = 1.1 so that Maria will come close to meeting Edna without actually bumping into her.
c. Name a graphing window and a range of t-values that show these hikes up to the moment the hikers meet.
d. Use your graph to approximate when and where the two hikers meet.
e. What equation can you write to find when
Edna and Maria meet? Solve this equation symbolically to verify your answer to 11d.

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a x 1 y 15t b x 11 y 12 25t c Possible answer 0 2 1 0 12 1 0 t 3 d ... View full answer

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