Answer:
y=1/2x-7
Step-by-step explanation:
The answer would be d a negative times a negative is a positive times a negative makes it a negative
To be a function every input value (x) can only have one output value (y)
On the graph there are 2 out put values for x = 2 so it is not a function.
The answer would be C.
Answer:
D
Step-by-step explanation:
X is 21
z is the same as 111
y is 48
D has a value of 24.
V121 is 11, so 13 + 11 is 24