Answer:
The third and the forth
Step-by-step explanation:
Functions do not have repetition in the x column.
Since the other options have doubles of an x value
(or, to phrase it differently, two y values for one x value)
they are not functions.
520 dollars for 4 train tickets and 3 bus tickets.
If you zoomed in i could've helped more. Bummer...
Answer:
slope = 2
Step-by-step explanation:
Calculate the slope m using the slope formula
m = 
with (x₁, y₁ ) = (- 3, - 2) and (x₂, y₂ ) = (1, 6)
m =
=
=
= 2
Answer:
-2x = -60
Isolate x and simplify.
2x = 60
x = 30
Straight vertical line through x=30.