Find an equation of variation for the given situation.r varies directly as s, and r = 0.0667 when s = 1.
A. r = 0.0667s
B. r = 16s
C. r = 15s
D. r = 14s
Answer: A
Mathematics
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Solve the problem.Find the tangent to y = cot x at x = 
.
A. y = -2x + 
B. y = 2x + 1
C. y = -2x + 
+ 1
D. y = 2x - 
+ 1
Mathematics
Solve the equation for exact solutions.6 arcsin x = ?
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Elissa wants to set up a rectangular dog run in her backyard. She has 22 feet of fencing to work with and wants to use it all. If the dog run is to be x feet long, express the area of the dog run as a function of x.
A. A(x) = 11x - x2 B. A(x) = 12x - x2 C. A(x) = 10x - x2 D. A(x) = 13x2 - x
Mathematics
Find the domain of the rational function.g(x) = 
A. (-?, -4) ? (-4, ?) B. (-?, ?) C. (-?, 6) ? (6, ?) D. (-?, 0) ? (0, ?)
Mathematics