Solve the equation by the method of your choice. Simplify irrational solutions, if possible.3x2 = 4x + 7
A. 
B. 
C. 
D. 
Answer: D
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Use the quotient rule to simplify.
A. 3x
B. x
C. 3x
D. 3x
Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = 
A. Domain: all points in the xy-plane; range: all real numbers; level curves: parabolas 
B. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: parabolas 
C. Domain: all points in the xy-plane except y = 0; range: real numbers z ? 0 ; level curves: parabolas 
D. Domain: all points in the xy-plane except y = 0; range: all real numbers; level curves: parabolas 
Divide, if possible. If a quotient is undefined, state so.
A. -40 B. 40 C. -5 D. 5
Completely factor the polynomial or state that the polynomial is prime.x3 + 125
A. (x + 5)(x2 - 5x + 25) B. (x - 125)(x2 - 1) C. (x - 5)(x2 + 5x + 25) D. (x + 5)(x2 + 25)