Factor the expression completely. If the polynomial is prime, state this as your answer.x9 - 27
A. (x3 + 3)(x6 - 3x2 + 9)
B. (x3 + 3)(x6 + 3x3 - 9)
C. (x3 - 3)(x3 - 3x3 - 9)
D. (x3 - 3)(x6 + 3x3 + 9)
Answer: D
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Find the domain of the given function f and find where it is increasing and decreasing, and also where it is concave upward and where it is concave downward. Identify all extreme values and points of inflection. Then sketch the graph of y = f(x). f(x) = ex - x2
What will be an ideal response?
Find the exact value of the expression.sin 20° cos 100° + cos 20° sin 100°
A. 
B. 
C. - 
D. - 
Use an ordered pair to identify each point on the given coordinate plane. State the quadrant or axis where each point lies.
A. A(2, 3) in Quadrant I; B(0, 1) on the y-axis B. A(2, 3) in Quadrant I; B(0, -1) on the y-axis C. A(2, -3) in Quadrant IV; B(1, -1) in Quadrant IV D. A(-2, 3) in Quadrant II; B(0, 1) on the x-axis
Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 