Find the absolute maximum and absolute minimum values of the function, if they exist, over the indicated interval. When no interval is specified, use the real line (-?, ?). f(x) = - 
x3 + 4x - 1; (-?, 0)
A. Absolute maximum: 2; absolute minimum: -2
B. No absolute maximum; absolute minimum: -6.3
C. Absolute minimum: -4.3; absolute maximum: 6.3
D. No absolute extrema
Answer: B
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Rotate the coordinate axes to change the given equation into an equation which has no cross product (xy) term. Identify the graph of the equation as a hyperbola, ellipse, parabola, a straight line, or parallel lines.7x2 - 4xy + 11y2 - 7x + 3y - 10 = 0
A. 6.172u2 + 7.828v2 - 6.467u + 5.450v = 0; Ellipse B. 11.828u2 - 11.828v2 + 5.450u - 5.319v - 10 = 0; Hyperbola C. 6.172u2 + 11.828v2 - 5.319u + 5.450v - 10 = 0; Ellipse D. 6.172u2 - 11.828v2 - 5.319u + 5.450v - 10 = 0; Hyperbola
Solve the equation.
x - 
x = 2
A. 30 B. -60 C. -30 D. 60
Determine whether the sequence is arithmetic.2, -1, -4, -7, -10, ...
A. Arithmetic B. Not arithmetic
Write the expression in the standard form a + bi.i11
A. 1 B. i C. -1 D. -i