Okay, so here is a small lesson on rounding. When you round you MUST know the place value of each number. Ones, tens, hundreds, thousands, millions.
So, when we look at this number what do we have in the ones place --there is a 0 -- in the tens place we have a 9 and in the the thousands place we have 5. to round this number look at the tens place. if the number is greater than 5 you round 73590 to 73600, if it is 4 and lower it stays the same and the numbers behind change to zero--> like so 73500. But for this problem it would round up to 73600.
9.10
+2.53
————
11.63
Just add the rows from the top to the bottom
equation is:
![f(x) = \frac{x}{ {x}^{2} - 1 }](https://tex.z-dn.net/?f=%20f%28x%29%20%3D%20%5Cfrac%7Bx%7D%7B%20%7Bx%7D%5E%7B2%7D%20-%201%20%7D%20)
so if its even f(-x) should be equal to f(x)
that means
![f( - x) = \frac{ - x}{ {( - x)}^{2} - 1} \\ \\ f( - x) = - \frac{ x}{ {x}^{2} - 1}](https://tex.z-dn.net/?f=f%28%20-%20x%29%20%3D%20%20%20%5Cfrac%7B%20-%20x%7D%7B%20%20%7B%28%20-%20x%29%7D%5E%7B2%7D%20%20-%201%7D%20%20%5C%5C%20%20%5C%5C%20f%28%20-%20x%29%20%3D%20%20%20%20%20-%20%5Cfrac%7B%20x%7D%7B%20%7Bx%7D%5E%7B2%7D%20%20-%201%7D%20)
so f(x) is not equal to f(-x) so its not even
If its odd than f(-x) should be equal to -f(x)
![- f(x) = - ( \frac{ x}{ { x}^{2} - 1 } ) \\ - f(x) = - \frac{ x}{ {x}^{2} - 1 }](https://tex.z-dn.net/?f=%20-%20f%28x%29%20%3D%20%20-%20%28%20%5Cfrac%7B%20x%7D%7B%20%7B%20x%7D%5E%7B2%7D%20-%201%20%7D%20%29%20%5C%5C%20%20-%20f%28x%29%20%3D%20%20%20%20-%20%5Cfrac%7B%20x%7D%7B%20%7Bx%7D%5E%7B2%7D%20-%201%20%7D%20)
so as we can see f(-x)= - f(x)
so the function is odd
Ans:function is odd and not even
Answer:
23 Seconds
The roach is going 2 feet per second so you can split the amount of feet in half because he will go the same distance 2 times as fast.