Evaluate the expression.4-2
A. 16
B. -16
C. 
D. 
Answer: C
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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 = 640 cos(240?t) + 640
[0, 0.04, 0.01] by [-200, 2000, 200]
B. P = -640 cos(240?t) + 640
[0, 0.04, 0.01] by [-200, 2000, 200]
C. P = 640 cos(120?t) + 640
[0, 0.04, 0.01] by [-200, 2000, 200]
D. P = 1280 cos(240?t) + 1280
[0, 0.04, 0.01] by [-200, 2000, 200]
Use a calculator to find the approximate value of the expression rounded to two decimal places.sin 17°
A. 0.39 B. -0.86 C. -0.96 D. 0.29
Use the figure below. Determine whether the given statement is true or false. 
A + H = F
A. True B. False
Determine the equations of the vertical and horizontal asymptotes of the graph of the function 
.
A. horizontal: y = -2; vertical: x = 5 B. horizontal: x = 2 and x = -2; vertical: y = -5 C. horizontal: y = 5; vertical: x = 2 and x = -2 D. horizontal: x = -5; vertical: y = 2 and y = -2 E. horizontal: y = 5; vertical: x = 2