Answer:
3 549
Step-by-step explanation:
Option A. is a function...
here For different values of x in Domain of(x,y) ;There is a unique image y in codomain.
All others have more than one image for a single value x.
Hope it helps...
Regards;
Leukoniv/Olegion.
Answer:
x=5
y=4
Step-by-step explanation:
Step 1:
Let us solve for <em>x</em> using the
equation by <u>isolating terms containing the variable</u>:

Great! <em>x</em> is 5... let's find <em>y</em>.
Step 2:
Since we know the value of <em>x</em>, we can use what we know to find <em>y</em> using the <u>other equation</u>:

<em>Given that x=5, we can </em><u><em>replace</em></u><em> x with 5</em>.

<em>I hope this helps! Let me know if you have any questions :)</em>
Answer: 10
Step-by-step explanation:
count the dots from number 2 and below
Answer:
127
Step-by-step explanation: