It is a linear function , Option A is the right answer.
The missing graph is attached with the image
<h3>
What is a Linear Function ?</h3>
A linear function is a function that can be represented by the equation
y = mx +c
where m is the slope and the c is the intercept on y axis.
From the graph it can be seen that it is following a straight line pattern and therefore it can be represented by y = mx +c and
Therefore it is a linear function , Option A is the right answer.
To know more about Linear Function
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Answer: k = 4.5
Step-by-step explanation:
Answer:
y = 7x
Step-by-step explanation:
Given that y varies directly as x the the equation relating them is
y = kx ← k is the constant of variation
To find k use the points given
k = 
= 
= 
= 7
y = 7x ← equation representing the function
