Rewrite the given expression without exponents.x2y3z2
A. x + x + y + y + y + z + z
B. x + x + x + y + y + y + z + z
C. x ? x ? x ? y ? y ? z ? z
D. x ? x ? y ? y ? y ? z ? z
Answer: D
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Find the limit, if it exists.
A. 
B. 0
C. 
D. Does not exist
Find a set of polar coordinates for the point for which the rectangular coordinates are given.(0, -5)
A. (5, 0)
B. (5, ?)
C. 
D. 
Write the percent as a fraction in simplest form.84%
A. 
B. 
C. 
D. 
Solve the problem.Suppose that a hair dryer operates on a voltage that can be represented by the relation 
and that it draws a current represented by the relation 
where t is time measured in seconds. The power consumed by the appliance is P = VI. Graph the power in 
by 
and use an identity to write the expression for the power in
the form 
where a, k, and d are constants.
A. P = -960 cos(240?t) + 960
[0, 0.04, 0.01] by [-200, 2000, 200]
B. P = 1920 cos(240?t) + 1920
[0, 0.04, 0.01] by [-200, 2000, 200]
C. P = 960 cos(120?t) + 960
[0, 0.04, 0.01] by [-200, 2000, 200]
D. P = 960 cos(240?t) + 960
[0, 0.04, 0.01] by [-200, 2000, 200]