Graph of linear function

In a linear function in the form 𝑦 = 𝑓(𝑥) = 𝑚𝑥 + b

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The degree of a linear function could be higher than 1.

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In a linear function f(x) = mx + b where m is the y- intercept of the function

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The slope of a line is described as the horizontal change (run) over vertical change (rise).

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Two points are enough to graph a linear function.

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The 𝑦-intercept is described as the intersection point of the graph and the 𝑦- axis.

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The 𝑥-intercept 𝑎 of the line has the coordinate (0, 𝑎).

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The graph of a linear function f(x) = 3x +1

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Danny works as delivery boy in a water refilling station. His monthly salary is Php 6,000.00 plus a commission of Php 2.00 for every gallon of water he delivered. He received 7, 000 therefor he delivered additional 3500 gallons of water

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In a linear function 𝑓(𝑥) = −2𝑥 + 3, if x= -1 then y= -5

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