Determine whether the function is even, odd, or neither.f(x) = -2x3 + 9x
A. Even
B. Odd
C. Neither
Answer: B
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Solve.Find the angle a of the screw shown. Round to the nearest minute.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Julie and Eric row their boat (at a constant speed) 27 miles downstream for 3 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 9 hours. Find the rate of the current.
A. 3 mph B. 4 mph C. 6 mph D. 2.5 mph
Use the change-of-base rule to express the given logarithm in terms of common logarithms, in terms of natural logarithms, and correct to four decimal places.log26 46.66log 26
A. 
; 
; 1.6689
B. 
; 
; 0.8478
C. 
; 1.7946
D. 
; 
; 1.1795
Express the number in scientific notation.0.000154
A. 1.54 × 10-3 B. 1.54 × 10-5 C. 1.54 × 10-4 D. 1.54 × 104