Give all possible rational zeros for the polynomial.f(x) = 2x3 - 5x2 + 7x - 13
A. ±1, ± 
, ±2, ± 
B. ±1, ±2, ±13, ± 
C. ±1, ±13, ± 
, ± 
D. ±1, ±2, ±13
Answer: C
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Find the exact value of the real number y.y = csc-1 (1)
A. 2?
B. 
C. 
D. ?
Write the solution set in interval notation.{x|x ? -5}
A. (-?, -5) B. (-5, ?) C. [-5, ?) D. (-?, -5]
Solve the problem.The function given by f(x) = k2x/12 can be used to determine the frequency, in cycles per second, of a musical note that is x half-steps above a note with frequency k. Find the frequency of the note that is 5 half-steps above middle C (262 cycles per second). Round your answer to the nearest whole number.
A. 699 cycles per second B. 1383 cycles per second C. 14 cycles per second D. 350 cycles per second
Determine which fractions are improper.
, 
, 
, 
, 
A. 
, 
, 
, 
, 
B. 
, 
C. 
, 
, 
, 
D. 
, 
, 