Answer:
√20
Or
2√5
Step-by-step explanation:
It is very easy just substitute
It will be:
The Answer is the first one
Answer:
Step-by-step explanation:
Is there a question somewhere in there?
Answer:
The function f has an inverse because it is one-to-one.
Step-by-step explanation:
The condition for a function to have an inverse is that every x coordinate maps to a single y - coordinate. As illustrated by the diagram attached in the second picture, every x value maps to one y value therefore satisfying the condition making the function have an inverse.
Answer:
C (1,1) is another point on the line
