State the domain of the given function.f(x) = 
A. {x|x ? 0}
B. {x|x is a real number}
C. {x|x ? - 
}
D. 
Answer: B
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Solve the problem using the Egyptian algorithm for multiplication. Give final answer in Hindu-Arabic form.15 × 42
A. 660 B. 570 C. 630 D. 615
Solve the problem.Find the value of a retirement savings account paying an APR of 5.4% (compounded monthly) after 45 years of monthly contributions (contributions made at the end of each month, including the last month) when the monthly contribution is $75. Round your answer to the nearest cent.
A. $176,967.99 B. $182,041.73 C. $161,028.76 D. $171,618.86 E. $161,742.70
In a low pass filter, Vin = 7V, R = 3.3 Kê, C = 180 nF. Find Fco, and Vout at fco.
What will be an ideal response?
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 = 1280 cos(240?t) + 1280
[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 = -640 cos(240?t) + 640
[0, 0.04, 0.01] by [-200, 2000, 200]