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3 years ago

Describe the graph of y = 3x2 and compare it with the graph of y=x^2.

Mathematics

1 answer:

professor190 [17]3 years ago

8 0

Answer:

y=-x^2 is just y=x^2 reflected over the x-axis. In other words, the parabola is upside-down.

Step-by-step explanation:

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2 years ago

What is the interest rate of each investment if The annual interest on a $17,000 investment exceeds the interest earned on an $8

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Solution-

Let's assume, the rate of interest of $8000 is x%,

then the rate of interest of $17000 is (x+0.3x) =1.3x%

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$i_1=\frac{8000\times x\times 1}{100} =80x$

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$i_2=\frac{17000\times 1.3x\times 1}{100} =221x$

According to the question,

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$\Rightarrow 221x-80x=276$

$\Rightarrow 141x=276$

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