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suter [353]
4 years ago
14

Write a description of how a diagram can help you solve 2*40

Mathematics
1 answer:
LiRa [457]4 years ago
4 0
If you draw 40 dots in one row, then add a second row of 40 dots, you will get your answer. You can count the dots and then get your answer, which is 80.
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What is the range of the function y=e^4x?<br><br> y&lt;0<br> y&gt;0<br> y&lt;4<br> y&gt;4
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We have been given the function y=e^{4x}

We know that the range is set of y values for which the function is defined. Therefore, we will find the value for x and then observe the restriction is y's values.

y=e^{4x}\\\ln y = \ln (e^{4x})\\\ln y =4x\\x=\frac{1}{4}\ln y

Now, we know that logarithm function is not defined for negative values. Hence, the value for y is always greater than zero.

Therefore, the range of the function is given by y>0

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