Solve the exponential equation and approximate the result, correct to three decimal places.ex + e-x = 7
A. 1.9248, -1.9248
B. 1.9657, -1.9657
C. 1.5194, -2.3303
D. 1.9194, -1.6962
Answer: A
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Solve the problem.The following is a real estate commission on the selling price of a house. 6% for the first $100,000, and 3% for the amount which exceeds $100,000A realtor receives $11,370 for selling a house. What was the selling price?
A. $179,000 B. $279,000 C. $5370 D. $379,000
Find the derivative of the implicit function.cos 2x = sin(x + 3y)
A. 
B. 
C. 
D. 
Find the domain and range of the relation.{(4,4), (-7,2), (6,-8), (3,3)}
A. D = {4, -7, 3, 6}; R = {4, 4, 2, 3, -8} B. D = {4, -7, 3, 6}; R = {4, 2, 3, -8} C. D = {4, 2, 3, -8}; R = {4, -7, 3, 6} D. D = {4, -7, 3, 6}; R = {4, -4, 2, 3, -8}
Solve the inequality. Express your answer using interval notation. Graph the solution set.|2k + 9| + 1 > 5
A. (- 
, ?)
B. (-?, - 
] ? [- 
, ?)
C. (-?, - 
) ? (- 
, ?)
D. (- 
, - 
)