Solve the problem.Alex wants to buy a telephone that has costs $390. If a sales tax of 6% is added to the purchase, how much will he pay for the telephone, including the tax? Round your answer to the nearest cent.
A. $409.50
B. $413.40
C. $417.30
D. $624.00
Answer: B
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Use De Morgan's laws to write a negation of the statement.Roger or Emil will attend the game.
A. Roger will not attend the game and Emil will not attend the game. B. Roger or Emil will not attend the game. C. Roger and Emil will attend the game. D. Roger will not attend the game and Emil will attend the game.
Multiply.
A. 640 B. 630 C. 730 D. 620
For the following rational function, identify the coordinates of all removable discontinuities and sketch the graph. Identify all intercepts and find the equations of all asymptotes.f(x) = 
A. removable discontinuity at 
;
no x-intercept, no y-intercept;
asymptotes x = 3, y = 0
B. removable discontinuity at 
;
no x-intercept, no y-intercept;
asymptote x = -3
C. no removable discontinuities;
no x-intercept, no y-intercept;
asymptotes x = 3, x = 0, y = 0
D. no removable discontinuities;
no x-intercept, no y-intercept;
asymptotes x = -3 x = 0, y = 0
Find the pair of numbers whose product and sum are given.Product: 126 Sum: 23
A. -9 and 14 B. 9 and 14 C. 9 and -14 D. -9 and -14