Find the domain of the function.f(x) = 
A. (-?, 3) ? (3, ?)
B. (-?, -7) ? (-7, ?)
C. (-?, ?)
D. (-?, -7) ? (-7, 3) ? (3, ?)
Answer: D
Mathematics
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Solve the problem.Given the acceleration, initial velocity, and initial position of a body moving along a coordinate line at time t, find the body's position at time t.a = 16 cos 2t, v(0) = 9, s(0) = -11
A. s = 4 cos 2t - 9t - 7 B. s = 4 sin 2t + 9t - 7 C. s = - 4 sin 2t + 9t - 7 D. s = - 4 cos 2t + 9t - 7
Mathematics
Find the average value of the function f over the given region.f(x, y) = sin 3(x + y); R = 
A. 
B. 
C. 4?2
D. ?2
Mathematics
Let 
. Find 
.
?
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.2x - 4 + 5(x + 1) = 6x + 5
A. 
B. 
C. 
D. 
Mathematics