Determine the domains of f and g.
?
?
A. Domain of f: all real numbers x except 
Domain of g: all real numbers x except x = 0
B. Domain of f: all real numbers x except
Domain of g: all real numbers x except x = 0
C. Domain of f: all real numbers x except x = 0
Domain of g: all real numbers x
D. Domain of f: all real numbers x except
Domain of g: all real numbers x
E. Domain of f: all real numbers x
Domain of g: all real numbers x
Answer: A
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Find the difference.
- 
A. 
B. - 
C. - 
D. 
Write the equation of the quadratic function whose graph is a parabola containing the given points.(0, 3), (3, 15), (-3, 27)
A. y = 2x2 + 2x +1 B. y = 3x2 - 2x + 3 C. y = 2x2 - x + 3 D. y = 2x2 - 2x + 3
Solve the system by substitution.
x - 
y = -18
x + 
y = -9
A. {(-12, 0)} B. {(0, 12)} C. {(0, -12)} D. {(12, 0)}
Convert the radical expression to its rational exponent form and then simplify. Assume that all variables represent positive numbers.
A. 19,683 B. 243 C. 2187 D. 6561