For the proportion, find the unknown number n.
= 
A. 
B. 13
C. 
D. 22
Answer: B
Mathematics
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The function f is one-to-one. Find its inverse.f(x) = (x + 2)3 - 8.
A. f-1(x) = 
B. f-1(x) = 
- 2
C. f-1(x) = 
+ 8
D. f-1(x) = 
Mathematics
Divide.13.3 ÷ 19
A. 0.7 B. 17 C. 7 D. 1.7
Mathematics
Solve the problem.A beverage wholesaler wants to create a new punch. He will mix fruit juice worth $5 a gallon and rum worth $10 a gallon. He wants to obtain 135 gallons of punch worth $7 a gallon. How much of each beverage should he use?
A. 94.5 gal of juice; 40.5 gal of rum B. 81 gal of juice; 54 gal of rum C. 108 gal of juice; 27 gal of rum D. 121.5 gal of juice; 13.5 gal of rum
Mathematics
Find a rectangular equation for the plane curve defined by the parametric equations.x = ln t, y = t, for t in (0, ?)
A. y = ex B. y = ln x C. ex = ln y D. x = ey
Mathematics