Divide the real numbers. Write any improper fraction as a whole or mixed number where appropriate.
A. 5
B. 
C. 
D. - 1
Answer: C
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Find k such that the function is a probability density function over the given interval.f(x) = kx2, -1 ? x ? 4
A. 
B. 
C. 
D. 
Determine a viewing window that will provide a complete graph of the function.y = 3x3 - 26x2 + 18x - 47
A. [-8, 10] by [-100, 300] B. [-5, 5] by [-500, 100] C. [-10, 10] by [-150, 150] D. [-3, 10] by [-400, 100]
Answer the question or complete the sentence to make a true statement.In order to add -9 and -3, I should begin by finding the of the of -9 and -3.
A. Opposite, additive inverses B. Sum, absolute values C. Additive inverses, opposites D. Difference, absolute values
Solve the problem.The magnitude and direction of two forces acting on an object are 35 pounds, 
, and 55 pounds, S30°E, respectively. Find the magnitude, to the nearest hundredth of a pound, and the direction angle, to the nearest tenth of a degree, of the resultant force.
A. 
= 49.17; ? = -11.3°
B. 
= 57.04; ? = -23.6°
C. 
= 43.30; ? = 2.7°
D. 
= 65.19; ? = -7.5°