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3 years ago

The graph of a function is a line that passes through the coordinates

Mathematics

1 answer:

Citrus2011 [14]3 years ago

6 0

Answer:

The rate of change of the function is 9

Step-by-step explanation:

Mathematically, the rate of change of the function refers to the slope of the line that passes through the given points

Thus, we use the slope equation as follows;

m = (y2-y1)/(x2-x1)

(x1,y1) = (6,6)

(x2,y2) = (7,15)

Substituting these values, we have

m = (15-6)/(7-6) = 9/1 = 9

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2 years ago

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Answer-

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Solution-

Let x amount of money was invested at 5% and (6000-x) amount was invested as 3%

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$i=\dfrac{P\cdot r\cdot t}{100}$

Putting the values,

$i_1=\dfrac{P_1\cdot r_1\cdot t}{100}$

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And

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According to the question,

$\Rightarrow \dfrac{5x}{100}+\dfrac{3(6000-x)}{100}=220$

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