5/x^2-1^2 + 3/x+1
5/(x+1)(x-1) + 3/x+1
5+3(x-1)/(x+1)(x-1)
5+3x-3/(x+1)(x-1)
Final answer : 3x+2/(x+1)(x-1)
Answer:
Option D) -9
Step-by-step explanation:
Here (6 , n) corresponds to an ordered pair solution that is (x , y) so we have the value of x that is 6 but we need the value of y which is f(x) so we insert the value of x into the function to get the value of n like this,
![f(x)=-2x+3\\f(6)=-2(6)+3\\n=-12+3\\n=-9\\](https://tex.z-dn.net/?f=f%28x%29%3D-2x%2B3%5C%5Cf%286%29%3D-2%286%29%2B3%5C%5Cn%3D-12%2B3%5C%5Cn%3D-9%5C%5C)
because f(x) corresponds to y and hence f(6) corresponds to n
Answer:
7.07106781187
Step-by-step explanation:
Let us use the distance formula:
![d = \sqrt{(x_2 - x_1)^2 + (y_2-y_1)^2}](https://tex.z-dn.net/?f=d%20%3D%20%5Csqrt%7B%28x_2%20-%20x_1%29%5E2%20%2B%20%28y_2-y_1%29%5E2%7D)
x2=2
x1=7
y2=4
y1=9
![d = \sqrt{(2 - 7)^{2} + (4-9)^2}](https://tex.z-dn.net/?f=d%20%3D%20%5Csqrt%7B%282%20-%207%29%5E%7B2%7D%20%20%2B%20%284-9%29%5E2%7D)
![d = \sqrt{(-5)^2 + (-5)^2}](https://tex.z-dn.net/?f=d%20%3D%20%5Csqrt%7B%28-5%29%5E2%20%2B%20%28-5%29%5E2%7D)
![d = \sqrt{25 + 25}](https://tex.z-dn.net/?f=d%20%3D%20%5Csqrt%7B25%20%2B%2025%7D)
![d = \sqrt{50}](https://tex.z-dn.net/?f=d%20%3D%20%5Csqrt%7B50%7D)
d=7.07106781187 (round to whatever digit neccesary)
Hope this helps!!
Answer:
= 1
Step-by-step explanation:
We are given the expression,
.
Since, we have that,
The numerator and denominator is (20+x), which is a polynomial is continuous for all the real numbers i.e. for all x belonging to
.
Thus, the limit exists and is given by,
=
=
= 1.
So,
= 1.
Answer:
The sum is the solution when you add two (or more) numbers together. So, the expression is (x+4)+(x-8).
:)