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malfutka [58]
3 years ago
5

The function shown in the graph is

Mathematics
2 answers:
IgorC [24]3 years ago
4 0

Answer:B

Step-by-step explanation:

if you substitute any convenient value of x into f(x)= 2x-1 you see that it holds true when looking for the corresponding value of y.

For example,if you substitute x=5 into function B you get:

f(5)= 2(5) -1 = 10- 1 =9

Now,if you go on x =5 on the graph and check the corresponding value of y you that this value it is indeed 9.

icang [17]3 years ago
3 0

Answer:

<h2>B) f(x) = 2x - 1</h2>

Step-by-step explanation:

<em>Look at the picture.</em>

The slope-intercept form of an equation of a line:

y=mx+b

<em>m</em><em> - slope</em>

<em>b</em><em> - y-intercept → (0, b)</em>

The formula of a slope:

m=\dfrac{\Delta y}{\Delta x}=\dfrac{rise}{run}

We have:

rise=4\\run=2\\b=-1

The slope:

m=\dfrac{4}{2}=2

Substitute to the equation of a line:

y=2x+(-1)=2x-1

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