Use the vertical line test to determine whether the graph represents a function.
A. function
B. not a function
Answer: B
Mathematics
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Determine whether the given function satisfies Laplace's equation.f(x, y) = cos (x) sin (-y)
A. Yes B. No
Mathematics
Find the domain and range of the function. Express your answers in interval notation.
?
?
Domain: __________ , Range: __________
What will be an ideal response?
Mathematics
Draw a diagram to represent the number.
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression using a sum, difference, or double-angle identity.cos 
A. - 
B. 
(
- 1)
C. 
D. -
( - 1)
Mathematics