If p − 1 is a factor of p4 + p2 + p − k, the value of k is .
1 answer:
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Answer: Option B
Step-by-step explanation:
By definition, only those functions that are one to one have an inverse function.
A function is one by one if there are not two different input values, and
, that have the same output value y
Note that the function is not a one-to-one function
When x=2
When x=8
Note that the function is not a one-to-one function
When x=1
When x=-1
Note that the function is not a one-to-one function
When x=1
When x=-1
Then the answer is the option B.
You can verify that The function is a one-to-one function and therefore its inverse is a function