Technically this is not necessarily true for all. A function has each input mapped to one output, therefore there can be two inputs that have the same output. However, when inverted, the input will have two outputs, which is not a function. For example with (1,3) (2,3) (3,4) (4,5) this is a function but switched (3,1) (3,2) ! Two inputs have the same output, which is not a function!

3 0

3 years ago

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Jun and lisa just started a landscaping business.their first job is to put sod in a park. there are two areas that need grass, o

Andrews [41]

32 x 15= 480
20 x 14= 280
480 + 280= 760
They will need 760 squared feet worth of sod

7 0

3 years ago

A lender estimates the closing costs on a home loan will be 3% of the loan amount of $180,000. The actual closing costs are list

ElenaW [278]

Answer:

The lender made an excellent estimate; it was equal to the actual closing costs.