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Question
problems 1 - 2 are scientific calculator active.
- the cost for renting an electric scooter from an e - scooter service in 2022 is described by the function below, where c is cost in u.s. dollars and t is the number of minutes the scooter was rented:
c(t)=\begin{cases}0, & t = 0\\5, & 0<tleq30\\10, & 30<tleq60\\15, & 60<tleq90\\20, & 90<tleq120\\25, & 120<tleq150\\30, & 150<tleq180end{cases}
a. find c(150) and explain what it means in context.
c(150)=25. the cost of renting the scooter 150 minutes is 25 dollars.
b. find c(55) and explain what it means in context.
c(55)=10. the cost of renting the scooter for 55 minutes is 10 dollars.
c. select the graph that best represents this function. (continued on next page)
Step1: Encontrar C(150)
Observamos que para $t = 150$, la función $C(t)$ está definida como $C(t)=25$ cuando $120 < t\leq150$. Entonces $C(150) = 25$. Esto significa que el costo de alquilar el scooter durante 150 minutos es de 25 dólares.
Step2: Encontrar C(55)
Como $30 < 55\leq60$, según la definición de la función $C(t)$, $C(55)=10$. Esto significa que el costo de alquilar el scooter durante 55 minutos es de 10 dólares.
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a. $C(150) = 25$, el costo de alquilar el scooter 150 minutos es 25 dólares.
b. $C(55)=10$, el costo de alquilar el scooter 55 minutos es 10 dólares.
c. No se proporcionan gráficas para responder esta parte.