Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one
B. not one-to-one
Answer: B
Mathematics
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The graph of a function f is given. Use the graph to answer the question.For what numbers x is f(x) = 0?
A. -15, 17.5, 25 B. -15, 17.5 C. -15 D. -25, -15, 17.5, 25
Mathematics
Find the area.
A. 68 cm2 B. 225 cm2 C. 51 cm2 D. 100 cm2
Mathematics
Replace the question mark by <, >, or =, whichever is correct.3.14 ? ?
A. = B. < C. >
Mathematics
Find the first term and the common difference for the arithmetic sequence.S4 = 22, a4 = 4
A. a1 = -5, d = 2 B. a1 = 7, d = -1 C. a1 = 7, d = 2 D. a1 = -5, d = -1
Mathematics