SOLUTION: Given the following linear function, sketch the graph of the function and find the domain and range. f(x) = 2/3 x - 3. How does mx+b work with a - sign instead of a + sign.

Algebra ->  Graphs -> SOLUTION: Given the following linear function, sketch the graph of the function and find the domain and range. f(x) = 2/3 x - 3. How does mx+b work with a - sign instead of a + sign.       Log On


   



Question 1124115: Given the following linear function, sketch the graph of the function and find the domain and range.
f(x) = 2/3 x - 3.
How does mx+b work with a - sign instead of a + sign.
Please Explain!

Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
f(x) = 2x/3 - 3
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b is the y intercept for the linear function, so the point of interception for the y axis is (0, -3)
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Note f(0) = 2(0)/3 - 3 = -3
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here is a graph of the equation
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+graph%28+300%2C+200%2C+-10%2C+10%2C+-10%2C+10%2C+2x%2F3+-3%29+
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