Solve the quadratic inequality if possible. Round your answer to the nearest tenth, if necessary.4x2 ? 3x2 - 9
A. No real number satisfies this inequality.
B. -3 ? x ? 3
C. x ? 3
D. All real numbers satisfy this inequality.
Answer: A
Mathematics
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Round to the nearest hundredth.17.42875
A. 17.44 B. 17.429 C. 17.4288 D. 17.43
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Write an equation that expresses the fact that a function f is continuous at the number 4.
What will be an ideal response?
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Solve the problem.A student is told to work any 6 out of 10 questions on an exam. In how many different ways can he complete the exam? (The correctness of his answers has no bearing.)
A. 210 B. 1,000,000 C. 5040 D. 24
Mathematics
For the given vectors u and v, calculate u ? v.u = 
, v = 
A. 3 B. -2 C. 1 D. 2
Mathematics