Answer:
that is corret
Step-by-step explanation:
it sound goos
Answer:

Step-by-step explanation:
Use the x-swap-y method to find the inverse:

Answer:
21 is the answer
Step-by-step explanation:
The modulus ar absolute symbol...the two straight lines does not take into consideration the positive or negative signs and the answer always remains positive with the same numbers like in this case it is 21.
Answer:
Last Option : all real numbers greater than or equal to −1
Step-by-step explanation: