Use the even-odd properties to find the exact value of the expression. Do not use a calculator.sec (-?)
A. -1
B. 0
C. 1
D. undefined
Answer: A
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Provide an appropriate response.Suppose you had to find the area between two continuous functions f(x) and g(x) that do not intersect on the interval [a, b].But, 
= A < 0. Since area isn't really negative what does this tell you? What is the actual area?
What will be an ideal response?
Use least common multiple or greatest common divisor to solve the problem.Two runners run around a circular track. The first runner completes a lap in 6 minutes. The second runner completes the track in 13 minutes. If they both start at the same place and the same time and go in the same direction, after how many minutes will they meet again at the starting place?
A. 156 B. 79 C. 19 D. 78
Solve the rational inequality and graph the solution set on a real number line. 
? 0
A. [5, ?)
B. 
? [5, ?)
C. 
D. 
? [5, ?)
For the following functions, use linearization and the values of 
at a b to estimate z (x, y) .
