Graph the function.f(x) = 2(x + 2)
A. 
B. 
C. 
D. 
Answer: C
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Find the equation for the level surface of the function through the given point.f(x, y, z) = e(x2 + y2 - z), (2, 4, 10)
A. x2 + y2 - z = e10 B. x2 + y2 - z = ln(10) C. e(x2 + y2 - z) = ln(10) D. ln(x2 + y2 - z) = 10
Solve.For a hyperbolic mirror the two foci are 44 cm apart. The distance of the vertex from one focus is 6 cm and from the other focus is 38 cm. Position a coordinate system with the origin at the center of the hyperbola and with the foci on the y-axis. Find the equation of the hyperbola.
A. 
- 
= 5
B. 
- 
= 1
C. 
- 
= 5
D. 
- 
= 1
Find the least common multiple (LCM) of the pair of numbers.12 and 20
A. 32 B. 4 C. 60 D. 240
Write the partial fraction decomposition of the rational expression.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 