Solve. Write the answer using interval notation.- 0.6x ? - 1.2
A. (-?, 2]
B. [0.6, ?)
C. (-?, -0.6]
D. [2, ?)
Answer: A
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Solve the problem.A satellite is to be put into an elliptical orbit around a moon. The moon is a sphere with radius of 365 km. Determine an equation for the ellipse if the distance of the satellite from the surface of the moon varies from 819 km to 879 km.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Give the domain and range of the relation.
A. range: (-3, 0) ? (0, 3); domain: (-10, 0) ? (0, 10) B. range: (-?, ?); domain: (-?, ?) C. range: (-?, -3) ? (-3, 0) ? (0, 3) ? (3, ?); domain: (-?, -10) ? (-10, 0) ? (0, 10) ? (10, ?) D. range: (-3, 3); domain: (-10, 10)
Solve the exponential equation.3(10 - 2x) = 81
A. 5 B. -3 C. 3 D. 27
Write the standard form of the equation of the circle. 
A. (x + 4)2 + (y + 2)2 = 9 B. (x - 4)2 + (y - 2)2 = 9 C. (x - 2)2 + (y - 4)2 = 9 D. (x + 2)2 + (y + 4)2 = 9