Determine if the following is a function or not. f(x) = 5 for x ? W.
A. Yes
B. No
Answer: A
Mathematics
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Provide an appropriate response.A student knows that 
converges. Does 
also necessarily converge?
A. Yes B. No
Mathematics
Find the directrices of the ellipse.36x2 + 25y2 = 900
A. y = ± 
B. x = ± 
C. x = ± 
D. y = ± 
Mathematics
Solve the equation for exact solutions.cot-1x + cot-1(1 + x) = 
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Assume that all variables represent nonnegative real numbers.10
- 
+ x
A. 
(5x2 - 2x + 4y)
B. 
(-5x2 + 2x + 4y)
C. 
(-2x2 + 5x + 10y)
D. 
(2x2 - 5x + 10y)
Mathematics