Which of the following equations describe the same line as the equation 3x + 4y = 5?
A. 6x + 8y = 5
B. y = 
x + 
C. y = 
x + 5
D. 5 - 3x - 4y = 0
E. none of these
Answer: D
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For what values of x does the series converge conditionally?
A. x = -7 B. x = -8 C. x = -6 D. None
Rationalize the numerator of the fraction.
A. 
B. 
C. 
D. 
Use the general multiplication rule to find the indicated probability.In January in a certain city the unconditional probability of rain on any given day of the month is 0.400. But the probability of rain on a day that follows a rainy day is 0.600 and the probability of rain on a day following a nonrainy day is 0.250. Find the probability of rain on three randomly selected consecutive days in January.
A. 0.064 B. 0.090 C. 0.216 D. 0.144
Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = csc(cot x)
A. y = csc u; u = cot x; 
= csc3 x cot x
B. y = cot u; u = csc x; 
= csc2(csc x) csc x cot x
C. y = csc u; u = cot x; 
= - csc(cot x) cot(cot x)
D. y = csc u; u = cot x; 
= csc(cot x) cot(cot x) csc2 x