Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find f-1(x).f(x) = 
A. f-1(x) = x3 - 6
B. f-1(x) = 
C. f-1(x) = 
- 6
D. No inverse function exists.
Mathematics
Simplify the expression by combining any like terms.7z - 10z + z
A. -4z B. -3z + z C. -3z D. -2z
Mathematics
Find the composition. If f(x) = 
and g(x) = 8x + 4, find (g ? f)(x).
A. x + 8
B. x - 
C. 8x + 28
D. x
Mathematics
Translate the problem to a system of equations, then solve using Cramer's Rule.Two different gasohol mixtures are available. One contains 5% alcohol and the other 12% alcohol. How much of each should be mixed to obtain 500 gallons of gasohol containing 10% alcohol?
A. 208 gal 5%, 292 gal 12% B. 143 gal 5%, 357 gal 12% C. 357 gal 5%, 357 gal 12% D. 25 gal 5%, 60 gal 12%
Mathematics