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Luda [366]
3 years ago
13

Write a rule for the linear function in the graph.

Mathematics
2 answers:
labwork [276]3 years ago
6 0
3=4m+ b
-1=3m+b

m=4
plug in to either equation,
3=16+ b
b=-13

Thus, C would be the answer.
Darya [45]3 years ago
4 0

Answer:  The correct option is (C) y=4x-13.

Step-by-step explanation:  We are given to write a rule for the linear function given in the graph.

Since the graph is a straight line, so we are to find the equation of the line to find the rule.

From the graph, we note that

the points (3, -1) and (4, 3) lie on the straight line.

So, the slope of the line will be

m=\dfrac{3-(-1)}{4-3}\\\\\\\Rightarrow m=4.

Since the line passes through the point (4, 3), so the equation of the line is given by

y-3=m(x-4)\\\\\Rightarrow y-3=4(x-4)\\\\\Rightarrow y=4x-16+3\\\\\Rightarrow y=4x-13.

Thus, the required rule for the linear function is

y=4x-13.

Option (C) is correct.

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