Whats the answer and how
1 answer:
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Answer:
Step-by-step explanation:
We are given the function:
And that:
And we want to determine the value of <em>c</em>.
Recall that by definition of inverse functions:
So, since f⁻¹(5) = -1, then f(-1) = 5.
Substitute:
Simplify:
Combine like terms:
And divide. Hence:
In conclusion, the value of <em>c</em> is -2.
Answer: 9
Step-by-step explanation:
To solve this problem you must apply the proccedure shown below:
Keeping on mind that:
(-)(-)=+
(+)(+)=+
(-)(+)=-
You can distribute the signs as following:
Now, you can add all the numbers shown above. Therefore, you obtain the following sum: