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# What does mapping function mean?

Updated: 9/25/2023

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Q: What does mapping function mean?
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### What is direct mapping and mapping function?

it means mapping directly

### A mapping diagram can be used to represent a function or a relation?

A mapping diagram can be used to represent a function or a relation true or false?

### When does a relation be a function?

A function is a relation whose mapping is a bijection.

### Is b c a function?

No. There is no mapping.No. There is no mapping.No. There is no mapping.No. There is no mapping.

### What is the mapping between a set of input and a set of output?

It is simply a mapping. It could be a function but there are several conditions that need to be met before the mapping can become a function and there is no basis for assuming that those conditions are met.

### What is mapping between a set of inputs and a set of outputs?

It is simply a mapping. It could be a function but there are several conditions that need to be met before the mapping can become a function and there is no basis for assuming that those conditions are met.

### What is The mapping between a set of inputs and a set of outputs?

It is simply a mapping. It could be a function but there are several conditions that need to be met before the mapping can become a function and there is no basis for assuming that those conditions are met.

### What is the mapping between a set of inputs and a set out outputs?

It is simply a mapping. It could be a function but there are several conditions that need to be met before the mapping can become a function and there is no basis for assuming that those conditions are met.

### Which cache mapping function does not require replacement algorithm?

direct mapping doesn't need replacement algorithm

### What is vertical line test in a function?

If, at any time, a vertical line intersects the graph of a relationship (or mapping) more than once, the relationship is not a function. (It is a one-to-many mapping and so cannot be a function.)

### What is an input or output relation that has exactly one output for each input?

A one-to-one function, a.k.a. an injective function.

### What is a parabola that opens to the right called?

It is a square root mapping. This is not a function since it is a one-to-many mapping.