Answer:
1 no 2 and 3 yes
Step-by-step explanation:
do the vertical line test
if the line going vertical hits the line twice then its not a function
1 is not a function
2 is and 3 is a function
-70x + 21
1-8 = -7.
-7(10x-3)
Distribute, you get -70x + 21.
addition add 3 to both sides to isolate the variable term
336 inches
14 x 24
We have and .
The slope is
Hope this helps.
