Answer:
C. ![y=\sqrt[3]{-x} -1](https://tex.z-dn.net/?f=y%3D%5Csqrt%5B3%5D%7B-x%7D%20-1)
Step-by-step explanation:
Consider the eparent function
The graph of this function is shown in the attached diagram - red curve.
Reflect this graph across the y-axis, you'll get the blue line which equation is
![y=\sqrt[3]{-x}](https://tex.z-dn.net/?f=y%3D%5Csqrt%5B3%5D%7B-x%7D)
Translate this graph 1 unit down, then you'll get green line (that is exactly the graph from your image) and the function for this line is
![y=\sqrt[3]{-x} -1](https://tex.z-dn.net/?f=y%3D%5Csqrt%5B3%5D%7B-x%7D%20-1)
Let's take an example number of 100. And you divide it by 100% of 100.
100% of 100 is 100. So when you divide 100 by 100, you get 1. Therefore, any number you plug in for x, you always get 1. Hope this helped.
0,-5,-10,-15. It is that simple. All you had to do is keep counting down.
Hope this helps :)
One piece will be length x and the other piece will be 20 cm longer, so it will be x + 20 cm long.
Added together the length of these two boards will equal 86 cm. So you can write an equation:
x + (x + 20) = 86
Remove the parentheses and add the two x's together to get:
2x + 20 = 86
Subtract 20 from both sides:
2x = 66
Divide both sides by 2 and you have:
x = 33
The short piece is 33 cm and the other piece is 20 cm longer or 33 + 20 = 53 cm.