Solve the following graphically. If necessary, round answers to the nearest thousandth.ex + ln x = 7
A. {2.854}
B. {3.621}
C. {1.259}
D. {1.854}
Answer: D
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Find the expected value of the random variable in the experiment.A bag contains six marbles, of which four are red and two are blue. Suppose two marbles are chosen at random and X represents the number of red marbles in the sample.
A. 1.33 B. 1 C. 1.4 D. .933
Perform the indicated operations. Write the resulting polynomial in standard form.(2x2 + 7x - 8) + (14x + 8)
A. 2x2 + 21x - 16 B. 2x2 + 21x C. 2x2 + 7x + 16 D. 23x3
Fill in each blank with the appropriate response.The graph of y = -5(x + 2)2 - 8 can be obtained from the graph of y = x2 by shifting horizontally ___ units to the ______ , vertically stretching by a factor of reflecting across the __-axis, and shifting vertically ___ units in the _______ direction.
A. 2; right; 5; x; 8; downward B. 2; right; 5; x; 8; upward C. 2; left; 8; x; 5; downward D. 2; left; 5; x; 8; downward
Answer the question about the period of the function.Find the period of the function f(?) = cos ?.
A. 2? B. 2 C. 4? D. 4