Solve the equation symbolically.1.5y - 3.9 = 0.8y - 1.73
A. 3.1
B. -0.323
C. 2.79
D. 3
Answer: A
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Evaluate the integral. 
(Give your answer in exact form.)
A. 
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B. 
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C. 
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D. 
Find all integer square roots of the given number, if possible.100
A. No integer square roots B. 10 C. 50 D. -10,10
From the graph of the parabola, determine whether the parabola opens upward or downward, and find the vertex, axis of symmetry, and range of the function. Find the maximum or minimum value of the function and the intervals on which the function is increasing or decreasing.
A. Up, (2, -9), x = -9, [-9, ?), min -9, dec (-?, 2], inc [2, ?) B. Up, (2, -9), x = 2, [-9, ?), min -9, dec (-?, 2], inc [2, ?) C. Up, (2, -9), x = 2, [-4, 8], min -4, dec (-?, 2], inc [2, ?) D. Up, (2, -9), x = 2, [-9, ?), min -4, dec (-?, 2), inc (2, ?)
Write down all the subsets of the given set.{a}
A. {a, b} B. a C. {a} D. ?, {a}