Find the extreme values of the function and where they occur.y = x2 + 2x - 3
A. Absolute minimum is 1 at x = 4.
B. Absolute minimum is -4 at x = -1.
C. Absolute minimum is -1 at x = 4.
D. Absolute minimum is 1 at x = -4.
Answer: B
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Find the constant term to be added to the expression to form a perfect square trinomial.x2 + 
x
A. -81
B. 0
C. 81
D. 
Solve.log2 (x2 - 140) = 2
A. -12, 12 B. 13 C. 12 D. -13, 13
Find the probability. Round to the nearest ten-thousandth when necessary.A bag contains 6 cherry, 3 orange, and 2 lemon candies. You reach in and take 3 pieces of candy at random. What is the probability that you have at least 2 orange candies?
A. 0.3362 B. 0.5758 C. 0.4909 D. 0.1515
Answer the question.A cruise ship carried the following numbers of passengers on ten cruises last winter: 1936, 1921, 1575, 236, 1973, 1611, 1915, 1873, 1653, and 1613. Which measure of central tendency gives the best average load?
A. Median B. Weighted mean C. Mode D. Mean