Solve.Given f(x) = x2 + 2x - 11 find all values for x for which f(x) ? -3.
A. (-?, -4] ? [2, ?)
B. (-4, 2)
C. ?
D. [-4, 2]
Answer: D
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a and b represent the two legs of a right triangle, while c represents the hypotenuse. Find the length of the unknown side.
A. b = 25 B. b = 18 C. b = 20 D. b = 24
Identify the standard form of the argument.p ? q
? ~ p
A. Law of Contraposition B. Law of Syllogism C. Fallacy of the Converse D. Fallacy of the Inverse
Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist.x2 - 12x + 36 = 0
A. Two different imaginary-number solutions B. One real solution C. Two different real-number solutions
Find the quadratic approximation of f at x = 0.f(x) = esin 9x
A. Q(x) = 9x - 
x2
B. Q(x) = 1 - 9x + 
x2
C. Q(x) = 1 + 9x + 
x2
D. Q(x) = 9x + 
x2