Find the linearization L(x) of f(x) at x = a.f(x) = , a = 0

A. L(x) = x - 
B. L(x) = - x - 
C. L(x) = - x + 
D. L(x) = x + 


Answer: B

Mathematics

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Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log6

A.
B. log67 - log65
C. log67 + log65
D. log65 - log67

Mathematics

Determine which elementary row operation(s) applied to the first matrix will yield the second matrix.

What will be an ideal response?

Mathematics

Solve the problem.In a Psychology class, the students were tested at the end of the course on a final exam. Then they were retested with an equivalent test at subsequent time intervals. Their average scores after t months are given in the table.Using a graphing utility, fit a logarithmic function y = a + b ln x to the data. Using the function you found, estimate how long will it take for the test scores to fall below 84%. Express your answer to the nearest month.

A. 20 months B. 8 months C. 12 months D. 10 months

Mathematics

Find the domain of the function. ? f(x) = 2x2 + 4x - 5 ?

A. All real numbers x such that x> 0 B. All real numbers x C. All real numbers x such that x< 0 D. Non-negative real numbers x E. Non-negative real numbers x except x = 0

Mathematics