Simplify the expression by using the order of operations.18 ÷ 3 ? (12 - 4)

A. 76
B. 68
C. 96
D. 48

Answer: D

Mathematics

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Find the first four nonzero terms of the Maclaurin expansion of the given function.f(x) = cos x3

A. x + 3x +  +  + ...
B. 1 - x3 +  -  + ...
C. 1 + 3x +  +  + ...
D. 1 -  +  -  + ...

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Mathematics

The demand equation is . ?  Compute the elasticity of demand and determine whether the demand is elastic, unitary, or inelastic at . ? 

A. 6; elastic
B. ; inelastic
C. 5; elastic
D. ;elastic

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Mathematics

Evaluate the integral.

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Mathematics

Solve and graph. Write the solution in interval notation.| r + 4 | > 9

A. (-13, 5)

B. (-?, -13) ? (5, ?)

C. (5, ?)

D. ?

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Mathematics