The conversation between human and AI assistant.
If f(x) = 7 x +12, what is f-1(x) (the inverse function)?
How can you tell if a function is one-to-one?
A function is one-to-one if each input corresponds to exactly one output and each output corresponds to exactly one input. You can also use the horizontal line test to determine if a function is one-to-one. If a horizontal line intersects a graph in more than one place, then the function is not one-to-one.