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Consider the equation:

y={1 if x is rational

{0 if x is irrational


one big bracket "{" )

Answer one of the following questions:

(1) Is this a function?

(2) What is its domain?

(3) What is its range?

(4) What is its y-intercept, if any?

(5) What are its x-intercepts, if any?

(6) Is it even, odd, or neither?

(7) How would you describe its graph?

Top Answer

(1) This is a function since each x in the domain maps to a unique value of y , that no same... View the full answer

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