Determine whether the equation defines y as a function of x.y = x2 - 4
A. Yes
B. No
Answer: A
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Solve the problem.Jeff Rakhnovich has a simple discount note for $35,000 at an ordinary bank discount rate of 7%, for 60 days. What is the effective interest rate? Round to the nearest hundredth of a percent.
A. 7.08% B. 1.77% C. 1.18% D. 8.17%
Find the center, foci, and vertices of the ellipse.
+ 
= 1
A. center at (2, -2)
foci at (- 
, -2), (
, -2)
vertices at (4, -2), (-4, -2)
B. center at (2, -2)
foci at (2 + 
, -2), (2 - 
, -2)
vertices at (-2, -2), (6, -2)
C. center at (-2, 2)
foci at (-2 + 
, 2), (-2 - 
, 2)
vertices at (-2, -2), (6, -2)
D. center at (2, -2)
foci at (2 + 
, 2), (2 - 
, 2)
vertices at (4, -2), (-4, -2)
Find the equation of variation if the following is true.Suppose r varies directly as s and r = 0.0769 when s = 1.
A. r = 0.0769s B. r = 13s C. r = 12s D. r = 14s
Find the exact value in radians.csc-1 (1)
A. 2?
B. ?
C. 
D. 