Find the average value over the given interval.f(x) = 8 sin x; [0, ?]
A. 
B. 
C. 
D. 
Answer: B
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Provide an appropriate response.Suppose ?PQR ? ?ABC, where ?ABC is shown below. Find PQ.
A. 5 B. Cannot be determined C. 3 D. 4
Perform the division.(x2 - 4) ÷ (x - 2)
A. x + 4 B. x + 2 C. x - 4 D. x2 - 2
Solve the problem.A summer camp wants to hire counselors and aides to fill its staffing needs at minimum cost. The average monthly salary of a counselor is $2400 and the average monthly salary of an aide is $1100. The camp can accommodate up to 45 staff members and needs at least 30 to run properly. They must have at least 10 aides, and may have up to 3 aides for every 2 counselors. How many counselors and how many aides should the camp hire to minimize cost?
A. 35 counselors and 10 aides B. 12 counselors and 18 aides C. 27 counselors and 18 aides D. 18 counselors and 12 aides
Solve the problem.In electronics, the relationship between the resistances R1 and R2 of two resistors wired in parallel and their combined resistance R is described by the formula 
= 
+ 
. If the combined resistance of two resistors wired in parallel is 2 ohms and one of the two resistances is 4 ohms, what is the other resistance?
A. 2 ohms
B. 4 ohms
C. 
ohms
D. 1 ohms