A shopkeeper mixed 10 kg of rice of one kind at Rs 20 per kg with 5 kg of (a) nother kind at Rs 15 per kg. If he sold the mixtur
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Answer:
<h2>f(x) = -3x - 1</h2>Step-by-step explanation:
The slope-intercept form of an equation of a line:
<em>m</em><em> - slope</em>
<em>b</em><em> - y-intercept, (0, b)</em>
The formula of a slope:
From the graph we have two points <em>A(-1, 2)</em> and <em>B(0, -1) → b = -1</em>.
Calculate the slope:
Finally: