Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.x2 - 14x + 49 > 0
A. (7, ?)
B. (-?, 7) ? (7, ?)
C. (-?, 7)
D. (-?, ?)
Answer: B
Mathematics
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Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) = 7x2 + 6, x ? 0
A. f-1(x) = 
B. f-1(x) = 
C. not one-to-one
D. f-1(x) = 
Mathematics
Solve the problem.A farmer has 800 feet of fence with which to fence a rectangular plot of land. The plot lies along a river so that only three sides need to be fenced. Estimate the largest area that can be fenced.
A. 64,000 ft2 B. 80,000 ft2 C. 120,000 ft2 D. 96,000 ft2
Mathematics
Solve the differential equation. 
What will be an ideal response?
Mathematics
Identify the pairs of complementary or supplementary angles, as indicated.Complementary
A. ?ABF & ?FBE B. ?FBE & ?EBD; ?ABF & ?CBD C. ?CBE & ?EBA D. ?CBD & ?DBE; ?ABF & ?FBE
Mathematics