Find the average value of the function f over the given region.f(x, y) = sin 5(x + y) over the square 0 ? x ? 
, 0 ? y ? 
.
A. ?2
B. 4?2
C. 
D. 
Answer: D
Mathematics
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Adjust the problem so that the coefficient is in the proper form.50 × 10-3
A. 5 × 10-2 B. 0.5 × 10-2 C. 5 × 10-1 D. 0.5 × 10-4
Mathematics
Use the substitution formula to evaluate the integral.
A. 2 ln 3 B. 4 ln 2 C. 2 ln 2 D. -2 ln 2
Mathematics
Find an equation for the line that passes through the given point and satisfies the given conditions.P = (8, 8); perpendicular to v = 2i + 3j
A. 2x + 3y = 40
B. 2x + 3y = 13
C. y - 8 = 
(x - 2)
D. 3x - 2y = 8
Mathematics
Solve the absolute value inequality. Write the solution set using interval notation.7
< 4
A. 
B. 
? 
C. 
? 
D. 
Mathematics