Evaluate the numerical expression.1001/2
A. 20
B. 5
C. 40
D. 10
Answer: D
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Use L'H
pital's rule to find the limit.
A. 
B. 
C. - 
D. - 
Solve the problem.A retail store had monthly sales of $106,600 and spent 6% of it on freight costs. How much was spent on freight costs?
A. $1,776,667 B. $6396 C. $177,667 D. $63,960
Find an equation for the hyperbola described. Graph the equation.Center at (0, 0); vertex at (0, 2); focus at (0, -2
)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
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. 8 months B. 12 months C. 20 months D. 10 months