Answer:
First 3 are functions . Last one is not a function
Step-by-step explanation:
They are all functions except the last one.
The last one is not a function because it has duplicate x- values in the ordered pairs (1, -1) and (1, -6). There are 2 outputs for one input so its a relation but not a function
Answer:
HL
Step-by-step explanation:
Answer:
Yes
Step-by-step explanation:
To find the y intercept of this formula, you first need to convert it into slope intercept form.
x+y=1
y=-x+1
Here, the slope is negative 1 and the y intercept is (0,1). If you imagine the line with a slope of negative 1, it will indeed cross the x axis at (1,0). Hope this helps!