Find the domain of the given function.f(x) = 

A. (-?, ?)
B. (-?, 3]
C. (-?, 0) ? [3, ?)
D. (-?, 3) ? (3, ?)


Answer: C

Mathematics

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Solve the problem.Find the values of v0 in the equation e =  - 1 that make the orbit described by r =  parabolic.

A. v0 = 
B. v0 =  
C. v0 = 2GM
D. v0 = 

Mathematics

Divide.

A. 0.0421 B. 42.1 C. 0.00421 D. 0.421

Mathematics

Solve the inequality. Express your answer using interval notation.x + 7 < 9

A. (-?, 2]

B. (2, ?)

C. (-?, 16)

D. (-?, 2)

Mathematics

Solve the equation.7k + 21 = 0

A. k = 3
B. k = 
C. k = 
D. k = 2

Mathematics