Find the phase shift of the function.y = -2 cos 
A. -2 units down
B. -2 units up
C. 
units to the left
D. 
units to the right
Answer: C
Mathematics
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Solve the equation.|x| + 6 = 1
A. {5} B. {5, -5} C. {-5} D. no solution
Mathematics
Evaluate the double integral
?
?
for the given function f(x, y) and the region R.
?
; R is bounded by x = 0, x = 1, y = 0 and y = x.
?
A. 2.5 B. 3.5e C. -3.5 D. -2.5
Mathematics
Simplify the expression. Assume that all variables represent non-negative real numbers.4
+ 
A. 4
+ 
B. 12
C. 5
D. 7
Mathematics
Find the particular solution to the given differential equation.
?
when 
?
A. 
B. 
C. 
D. 
E. 
Mathematics