Find the function value. If it is undefined, say so. csc (-90°)
A. -1
B. 1
C. Undefined
D. 0
Answer: A
Mathematics
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Solve the problem.Use Newton's Law of Cooling to find the temperature in the following case. A glass of water with a temperature of 3°C is placed in a room with a temperature of 20°C. One minute later the water has warmed to 8°C. After how many minutes does the water have a temperature that is 80% of the ambient temperature?
A. ? 15 min B. ? 4 min C. ? 7 min D. ? 11 min
Mathematics
Perform the indicated operation and simplify. :  figure 1.png)
What will be an ideal response?
Mathematics
Use synthetic division to determine whether the number k is an upper or lower bound (as specified) for the real zeros of the function f.k = 1; f(x) = x4 + 2x3 + 5x2 - 2x + 1; Upper bound?
A. No B. Yes
Mathematics
Evaluate the equation. 
What will be an ideal response?
Mathematics