Solve the problem.A ladder x feet long leans against a house and makes an angle ? with the horizontal. The base of the ladder is 12 feet from the house. Then   Use a reciprocal identity to rewrite this formula.

A.
B. 12 sec ?
C. 12 sin ?
D.


Answer: B

Mathematics

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Find the quadratic approximation of f at x = 0.f(x) = eln 6x

A. Q(x) = 6x + 18x2 B. Q(x) = 6x - 18x2 C. Q(x) = 1 + 6x + 18x2 D. Q(x) = 6x

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Find the domain of the vector function r(t) = 8ti+

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Provide an appropriate response.Write in radical notation: the seventh root of the square of x

A.
B.
C. x2/7
D.

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Given that the polynomial function has the given zero, find the other zeros.f(x) = x3 - 4x2 + 9x - 10; 2

A. -1 + 2i, -1 - 2i
B. 1 + , 1 - 
C. 1 + i, 1 - i
D. 1 + 2i, 1 - 2i 

Mathematics