Find the exact value by using a half-angle identity.tan 

A. + 
B. -+ 
C. -- 
D. - 


Answer: B

Mathematics

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Determine whether the sequence is arithmetic or geometric. Then find the next two terms.15, 3, , . . .

A. Geometric;  
B. Arithmetic;  
C. Geometric; 3, 
D. Geometric; 75, 375

Mathematics

Subtract.-14 - 50

A. -36 B. -64 C. 36 D. 64

Mathematics

Find the solution set of the equation. If the equation has no solution write ? and if the equation is an identity so state. +  = 3

A. ?
B.
C. {8}
D.

Mathematics

Solve the problem.Suppose that P(x) represents the percentage of income spent on housing in year x and I(x) represents income in year x. Determine a function H that represents total housing expenditures in year x.

A. H(x) = (x)
B. H(x) = (P + I)(x)
C. H(x) = (I - P)(x)
D. H(x) = (P ? I)(x)

Mathematics