Convert to scientific notation.0.000109
A. 1.09 × 10-5
B. 1.09 × 104
C. 1.09 × 10-3
D. 1.09 × 10-4
Answer: D
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Use synthetic division to divide f(x) by x - c, and then write f(x) in the form f(x) = (x - c)q(x) + r.f(x) = x3 - x2 + 3; x + 2
A. (x + 2)(x2 - 3x + 6) + 2 B. (x + 2)(x2 - 3x + 6) - 9 C. (x + 2)(x2 + x + 2) - 9 D. (x + 2)(3x2 - 4x + 2) + 0
Solve the problem.When sitting atop a tree and looking down at his pal Joey, the angle of depression of Mack's line of sight is 46°8'. If Joey is known to be standing 15 feet from the base of the tree, how tall is the tree (to the nearest foot)?
A. 16 ft B. 20 ft C. 22 ft D. 18 ft
Find the axis, domain, and range of the parabola.f(x) = x2 + 4x - 2
A. axis: x = -4 domain: (-?, -6] range: (-?, ?) B. axis: x = -2 domain: (-?, ?) range: (-?, -6] C. axis: x = -4 domain: [-6, ?) range: (-?, ?) D. axis: x = -2 domain: (-?, ?) range: [-6, ?)
Factor, if possible.x4 - 8
A. (x2 - 2)(x2 + 2) B. cannot be factored C. (x - 2)(x3 - 2x2 + 4) D. (x - 2)(x3 + 2x2 + 4)