Find an equation for the graph.
A. y = 4 cos (3x)
B. y = 3 cos (4x)
C. y = 3 cos 
D. y = 4 cos 
Answer: D
Mathematics
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.A vertex at (0, 7) and a focus at (0, -10).
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Find the transform of the given function of s.F 
= 
A. f 
= 
t4
B. f 
= 
t3
C. f 
= 
t4
D. f 
= 
t3
Mathematics
Simplify using only positive exponents. Leave the answer in exponential notation.x-8 ? x2 ? x-6
A. -x12
B. 
C. 
D. x96
Mathematics
In order to prepare her budget, Sue gathers receipts for all major expenses she has had over the last month. Round the figure to the nearest dollar.Groceries, $438.01
A. $437 B. $438.10 C. $439 D. $438
Mathematics