Solve the formula for the specified variable.A = P(1 + nr) for r
A. r = 
B. r = 
C. r = 
D. r = 
Answer: A
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Solve the problem.You purchase a 200-day, $1000 U.S. Treasury bill at 0.49% discount. On the date of maturity, you will receive $1000. How much interest does the U.S. government pay to you on the date of maturity?
A. $2.99 B. $2.45 C. $5.72 D. $2.72
By graphing the function, visually estimate its domain and range.f(x) = 
A. Domain: [4, ?); range: (0, ?) B. Domain: [4, ?); range: [4, ?) C. Domain: [0, ?); range: [0, ?) D. Domain: [0, ?); range = [4, ?)
Find the center, transverse axis, vertices, and foci of the hyperbola.64y2 - 144x2 = 9216
A. center at (0, 0)
transverse axis is y-axis
vertices: (0, -12), (0, 12)
foci: (- 4
, 0) , (4
, 0)
B. center at (0, 0)
transverse axis is x-axis
vertices: (-8, 0), (8, 0)
foci: (- 4
, 0) , (4
, 0)
C. center at (0, 0)
transverse axis is y-axis
vertices at (0, -12) and (0, 12)
foci at (0, - 4
) and (0, 4
)
D. center at (0, 0)
transverse axis is x-axis
vertices: (-12, 0), (12, 0)
foci: (-8, 0), (8, 0)
Evaluate the expression.[[-13]]
A. -13 B. -14 C. -12 D. 13