Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. x - 5
B. 
C. 
D. x + 5
Answer: D
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Perform the indicated operation or operations.
+ 
- 
A. 
B. 
C. 
D. 
Solve the problem.Find the length of the unknown side of the right triangle, where a and b are the legs and c is the hypotenuse. a = 6, b = ?, c = 10
A. b = 10 B. b = 8 C. b = 7 D. b = 9
Use values from the compound interest table to find the compound interest. Round to the nearest cent.
$6000 at 10% compounded annually for 20 years
A. $34,365.00 B. $30,695.45 C. $12,000.00 D. $11,400.00
The rule of the derivative of a function f is given. Find the location of all local extrema.f'(x) = (x + 4)(x + 1)(x - 4)
A. Local maxima at -4 and 4; local minimum at -1 B. Local maximum at -1; local minima at -4 and 4 C. Local maxima at 4 and -4; local minimum at 1 D. Local maximum at 1; local minima at 4 and -4