Find the exact value by using a half-angle identity.tan 
A. 2 + 
B. -2 + 
C. -2 - 
D. 2 - 
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