Consider the function represented by the equation x – y = 3. What is the equation written in function notation, with x as the independent variable?
a. f(x) = y + 3
b. f(x) = –y – 3
c. f(x) = –x + 3
d. f(x) = x – 3

Question

Consider the function represented by the equation x – y = 3. What is the equation written in function notation, with x as the independent variable?
a. f(x) = y + 3
b. f(x) = –y – 3
c. f(x) = –x + 3
d. f(x) = x – 3

anonymous · Answer

a)

anonymous · Answer

imagine switching x and y in the graph

anonymous · Answer

or just in your perception

anonymous · Answer

so y is the new x and x is the new y