Identify the solution set to the inequality by inspecting the graph.x2 - 2x - 3 ? 0
A. (-1, 3)
B. (-?, -1] ? [3, ?)
C. (-?, -1) ? (3, ?)
D. [-1, 3]
Answer: D
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A function f(x), a point x0, the limit of f(x) as x approaches x0, and a positive number ? is given. Find a number 
such that for all x, 0 < 
< ? ? 
< ?.f(x) = 
, L = 3, x0 = 6, and ? = 1
A. 16 B. 5 C. 4 D. 7
Find the derivative of the function at P0 in the direction of u.f(x, y) = ln(-9x - 4y), P0(4, -7), u = 6i + 8j
A. 
B. 
C. 
D. 
The graph of a certain function y = f(x) and the zero of that function is given. Using this graph, find a) the x-intercept of the graph of y = f(x) and b) the solution to the equation f(x) = 0.
A. a. 15 b. x = -15 B. a. 15 b. x = 15 C. a. 0 b. x = 15 D. a. 15 b. x = 0
Factor completely, or state that the polynomial is prime.x8 - 1
A. (x4 - 1)2 B. (x4 + 1)(x2 + 1)(x + 1)(x - 1) C. prime D. (x2 - 1)4