Find the sum.-20 + (-18)
A. 39
B. 38
C. -39
D. -38
Answer: D
Mathematics
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Perform the addition. Express your answer in simplest form.
+ 
A. 
B. 
C. 
D. 
Mathematics
Tell whether or not the relation is a function.{(-4, -5), (-3, 3), (4, -2), (5, -4)}
A. Yes B. No
Mathematics
Evaluate the expression.csc 
A. 
B. 2
C. 
D. 
Mathematics
Find the intervals on which the function is continuous.Is the function given by f(x) = 
continuous over the interval [-3, 3]? Why or why not?
A. Yes, f(x) is continuous at each point on [-3, 3] B. No, since f(x) is not continuous at x = 3
Mathematics