Answer:

Step-by-step explanation:
Notice when x increases 1, y is 4 times the previous one, so
the function is like 
To determine the constant C, put any pair of (x, y)
Use x = 0, y = 0.2, so
0.2 =
= C * 1 = C
then 
Answer:
1/6
Step-by-step explanation:
gradient= change in y/ change in x
-4--5/2--4= 1/6
1/6 is the gradient
Answer: x=3
should be the correct answer
Answer:
the answer to this question is x=21
Step-by-step explanation:
Hope this didnt help
Answer:
(-8,3) and (-8, -15)
Step-by-step explanation: