Exercises 38 and 39 use the following definition: If is a function and c is a nonzero real number, the function is defined by the formula for every real number x.
Let be a function and c a nonzero real number. If f is one-to-one? Justify your answer.
If is a one-to-one function and is a nonzero real number, then whether is also one-to-one function or not.
The function is a one-to-one function and is a nonzero real number.
Function is defined by the formula for all real numbers .
In one-to-one function, distinct elements in domain are mapped with distinct elements in co-domain.
It is given that is one-to-one.
We have to check if is one-to-one or not.
By hypothesis, we have
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