Solve the inequality.x2 - 3x ? 0
A. [-3, 0]
B. [0, 3]
C. (-?, -3] or [0, ?)
D. (-?, 0] or [3, ?)
Answer: D
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Calculate the flux of the field F across the closed plane curve C.F = yi - xj; the curve C is the circle (x - 4)2 + (y - 8)2 = 81
A. 144 B. 72 C. 0 D. -72
Find all x-intercepts.f(x) = x3 + 8x2 - x - 8
A. (-1, 0), (1, 0), (- 8, 0) B. (64, 0) C. (- 8, 0), (8, 0) D. (1, 0), (- 8, 0), (8, 0)
Solve the problem.The temperature in Verlander is modeled by 
where T(x) is the temperature in degrees Fahrenheit on day x, with 
representing January 1 and 
representing December 31. Find the temperature on May 20.
A. 72°F B. 83°F C. 70°F D. 64 °F
In tests conducted by Auto Test Magazine on two identical models of the Phoenix Elite - one equipped with a standard engine and the other with a turbo-charger - it was found that the acceleration of the former is given by
?
?
ft/sec, t seconds after starting from rest at full throttle, whereas the acceleration of the latter is given by
?
?
?
ft/sec. How much faster is the turbo-charged model moving than the model with the standard engine at the end of a 10-second test run at full throttle?
?
__________ ft/sec
Fill in the blank(s) with the appropriate word(s).