Use Identities to find the exact value.cos 
A. 
B. 
C. 
+ 
D. 
- 
Answer: A
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Find the domain of the given function.f(x) = 
A. [-7, ?)
B. (- 
, ?)
C. (7, ?)
D. [
, ?)
Solve the problem.Crafty Bill's Cool Car Sales opened as a used car sales lot in 2006. The graph shows the number of cars sold as a function of time. What is the domain of this function if we consider only the indicated points? 
A. {2006, 2007, 2008, 2009, 2010} B. {2005, 2006, 2007, 2008, 2009, 2010, 2011} C. {2006, 2010} D. {2005, 2011}
Find the center, foci, and vertices of the ellipse.36x2 + 4y2 = 144
A. center at (0, 0)
foci at (0, - 4
) and (0, 4
)
vertices at (0, -6), (0, 6)
B. center at (0, 0)
foci at (0, -6) and (0, 6)
vertices at (0, -36), (0, 36)
C. center at (0, 0)
foci at (- 4
, 0) and (4
, 0)
vertices at (-6, 0), (6, 0)
D. center at (0, 0)
foci at (0, 6) and (2, 0)
vertices at (0, 36) and (4, 0)
Multiply the polynomials using the FOIL method. Express the answer as a single polynomial in standard form.(2x + 11)(4x - 7)
A. 6x2 + 30x + 30 B. 6x2 + 30x - 77 C. 8x2 + 30x - 77 D. 8x2 + 30x + 30