Solve the problem.Murrel's formula for calculating the total amount of rest, in minutes, required after performing a particular type of work activity for 30 minutes is given by the formula R(w) = 
, where w is the work expended in kilocalories per min. A bicyclist expends 6 kcal/min as she cycles home from work. Find R'(w) for the cyclist; that is, find R'(6).
A. 2.96 min2/kcal
B. 13.33 min2/kcal
C. 3.7 min2/kcal
D. 4.44 min2/kcal
Answer: C
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Solve the problem.The number of students infected with the flu on a college campus after t days is modeled by the function 
What was the initial number of infected students?
A. 39 students B. 600 students C. 15 students D. 30 students
Solve the problem. The enrollment at a certain college for women and men, W(t) and M(t), respectively, can be modeled by the system:W(t) = 92.6t + 3167M(t) = 62.3t + 4092where t is the number of years since 1992. Let P(t) be the percentage of students that are women at t years since 1992. By finding an equation of P, determine the year when 50.4% of students at the college will be women.
A. 2022 B. 2028 C. 2026 D. 2024
Find all values of x satisfying the given conditions.y1 = 
, y2 = 
, y3 = 
, and the difference between 8 times y1 and 6 times y2 is the product of 10 and y3.
A. {26}
B. {-26}
C. {52}
D. {
}
Two regular six-sided dice are tossed. Compute the probability of rollng a 6 or doubles.
