Evaluate the definite integral. Express the answer in terms of natural logarithms.

A. ln - 1
B.  ln
C. ln 5
D. ln


Answer: D

Mathematics

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Solve the problem.An economist predicts that the buying power B(x) of a dollar x years from now will decrease according to the formula B(x) = 0.61x. How much will today's dollar be worth in 7 years? Round the answer to the nearest cent.

A. $0.71 B. $3.28 C. $4.27 D. $0.03

Mathematics

Write an equation for the graph given. The graph represents an exponential function f with base 2 or 3, translated and/or reflected.

A. 2x + 3 + 5 B. 2x - 3 - 5 C. 2x + 3 - 5 D. 2x - 3 + 5

Mathematics

State the degree of the polynomial equation.(x + 1)2(x - 1) = 0

A. 2 B. 1 C. 4 D. 3

Mathematics

Use the RTSC Approach to solve the application.The width of a room is 9 feet, and the area of the room is 108 ft2. Find the room's length.

A. 12 feet B. 972 feet C. 45 feet D. 99 feet

Mathematics