please look at this attachment i need help on #1 2 and 3

Question

dtan5457 · Answer

Hey Eunice. I'm on.

anonymous · Answer

attachment

anonymous · Answer

yay @dtan5457 can you please take a look at that i am so happy u are on . ill be able to graduate thank you

dtan5457 · Answer

First two are very easy. Put the points onto the table first. Plot them. I'll draw the mapping diagram

anonymous · Answer

i did it smart :) u are so awesome

dtan5457 · Answer

|dw:1419034820595:dw|

dtan5457 · Answer

so mapping diagram is really simple. put x values to one side and y to other. just don't repeat x values or y values. as you can see two coordinates used 1 as a y value. so you write it once, connect twice.

dtan5457 · Answer

GO try the 2nd one yourself let me look at the 3rd one.

dtan5457 · Answer

$$+ \infty $$

dtan5457 · Answer

that one ^ positive infinity, meaning any number $$\ge 0$$

anonymous · Answer

its positive to infinite ?

dtan5457 · Answer

yes, same for range

dtan5457 · Answer

by function they want the equation of the line, right?

anonymous · Answer

no they want to know if it is a function and explain why or why not

dtan5457 · Answer

Oh. easy. the first one is yes, because it passes the vertical line test. watch.|dw:1419035327069:dw|