Multiply.(x - 3)(x2 + 3x - 2)
A. x3 + 6x2 + 11x - 6
B. x3 + 7x - 6
C. x3 - 6x2 - 11x + 6
D. x3 - 11x + 6
Answer: D
Mathematics
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Simplify using the rules for exponents. Use only positive exponents in your answer.
A. 
B. 
C. 
D. 
Mathematics
Classify the triangle as acute, obtuse, right, scalene, isosceles, or equilateral. State all that apply.
A. right, isosceles B. acute, isosceles C. right, equilateral D. obtuse, scalene
Mathematics
Find an upper bound for the magnitude |E| of the error in the linear approximation L to f at the given point over the given region.
at 
R: |x - 1| ? 0.1, |y - 1| ? 0.1, |z - 1| ? 0.1
A. |E| ? 0.338 B. |E| ? 0.315 C. |E| ? 0.405 D. |E| ? 0.378
Mathematics
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.(7x + 9)2 = 64
A. 
B. 
C. 
D. 
Mathematics