Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) The number of linear functions which map `[-1, 1]` to `[0, 2]` are - Sarthaks eConnect
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The number of linear functions which map `[-1, 1]` to `[0, 2]` are

A.

one

B.

two

C.

four

D.

three