Simplify the expression.(7)(-7)
A. -98
B. -49
C. 49
D. -39
Answer: B
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Write the first four terms of the sequence.an = n2 - 2
A. a1 = -1, a2 = 2, a3 = 7, a4 = 14 B. a1 = -1, a2 = -4, a3 = 7, a4 = 14 C. a1 = 7, a2 = 10, a3 = 11, a4 = 18 D. a1 = -1, a2 = 2, a3 = 5, a4 = 14
Find an approximate value for the integral, using Simpson's rule with n intervals.
dx, n = 2 (Round to four decimal places.)
A. 2.1 B. .09626 C. 1.497 D. 1.9252
Answer the question.How can the graph of f(x) = 0.6(x + 7)2 - 3 be obtained from the graph of y = x2?
A. Shift it horizontally 7 units to the right. Shrink it vertically by a factor of 0.6. Shift it 3 units up. B. Shift it horizontally 3 units to the left. Stretch it vertically by a factor of 12. Shift it 7 units down. C. Shift it horizontally 7 units to the left. Shrink it vertically by a factor of 0.6. Shift it 3 units down. D. Shift it horizontally 7 units to the left. Shrink it horizontally by a factor of 0.6. Shift it 3 units down.
Solve the inequality. Express your answer using interval notation. Graph the solution set.|x| > 4
A. (-4, 4)
B. [-4, 4]
C. [4, ?)
D. (-?, -4) ? (4, ?)