Factor out the greatest common factor.2(x - 3)3 + 5(x - 3) - (x - 3)2

A. (x - 3)(2x2 - 13x + 20)
B. (x - 3)(2x2 - 13x + 26)
C. (x - 3)(2x2 - 11x + 26)
D. (x - 3)(2x2 - 13x - 26)


Answer: B

Mathematics

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Find the gradient field F of the function f.f(x, y, z) = 

A. F = i + 2yj + 2zk
B. F = (x2 + y2 + z2)i + j + k
C. F = i + j + k
D. F = i + j + k

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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = ex+y

A. Domain: all points in the xy-plane; range: all real numbers; level curves: lines x + y = c B. Domain: all points in the xy-plane; range: real numbers z > 0; level curves: lines x + y = c C. Domain: all points in the first quadrant of the xy-plane; range: all real numbers; level curves: lines x + y = c D. Domain: all points in the first quadrant of the xy-plane; range: real numbers z > 0; level curves: lines x + y = c

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Arrange the fractions in ascending order. Or, if the fractions are equivalent, answer "Equivalent".

A. Equivalent
B.
C.

Mathematics

Solve the equation.5(x + 4) = 6(x - 7)

A. {62} B. {-62} C. {6} D. {-22}

Mathematics