If possible, factor the polynomial completely. If a polynomial cannot be factored, state that it is prime.98x2 - 32
A. 4(7x + 4)(7x - 4)
B. 2(7x + 4)(7x - 4)
C. 2(7x + 4)2
D. 2(7x - 4)2
Answer: B
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Completely factor the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = 7x2 - 2y2
A. Domain: all points in the x-y plane; range: all real numbers; level curves: ellipses 
B. Domain: all points in the first quadrant of the x-y plane; range: all real numbers; level curves: hyperbolas 
C. Domain: all points in the x-y plane; range: all real numbers; level curves: hyperbolas 
D. Domain: all points in the x-y plane; range: real numbers z ? 0; level curves: ellipses 
The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(0, 2)
A. decreasing B. increasing C. constant
Simplify the factorial expression.
A. 4!
B. 4
C. 1
D. 