Factor the difference of squares.9x2 - 4
A. (9x + 1)(x - 4)
B. (3x + 2)2
C. (3x - 2)2
D. (3x + 2)(3x - 2)
Answer: D
Mathematics
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Express the given quantity in terms of sin x or cos x.cos (3? + x)
A. cos x B. -sin x C. -cos x D. sin x - cos x
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Solve.The radius needed to create a sphere with a given volume V can be approximated by the equation r = 0.62(V)1/3. Find the radius of a sphere with a volume of 27 cubic meters. Round the answer to the nearest hundredth.
A. 5.58 meters B. 3.22 meters C. 1.86 meters D. 2.56 meters
Mathematics
Determine the maximum number of turning points of f.g(x) = - 
x + 4
A. 2 B. 0 C. 1 D. 3
Mathematics
Answer the question.Which number is larger?
A. 27.1231 B. 27.1138
Mathematics