Answer:
4 times more
Step-by-step explanation:
80/20=4
Step-by-step explanation:
The word 'rational' in 'rational numbers' comes from the word 'ratio.' That is because rational numbers are those numbers which can be obtained when one integer is divided by another integer. For example, the number 8 is a rational number because it results when the integer 24 is divided by the integer 3, as in the ratio 24/3.
Answer:
A.
Step-by-step explanation:
It seems and makes the most sense. Anyways have a nice day/night :). Also if you can may I please have brainliest
I just did one of these. I guessed that normal form is
![x \cos \phi + y \sin \phi - p = 0](https://tex.z-dn.net/?f=x%20%5Ccos%20%5Cphi%20%2B%20y%20%5Csin%20%5Cphi%20-%20%20p%20%3D%200)
Here' that's
![x (\sqrt{3}/2) + y (1/2) - 10 = 0](https://tex.z-dn.net/?f=%20x%20%28%5Csqrt%7B3%7D%2F2%29%20%2B%20y%20%281%2F2%29%20-%2010%20%3D%200%20)
![\sqrt{3} x + y - 20 = 0](https://tex.z-dn.net/?f=%20%5Csqrt%7B3%7D%20x%20%2B%20y%20-%2020%20%3D%200)
Choice b
Answer:
OPTION D
Step-by-step explanation:
We have to determine which option determines the function given above.
To determine the function, just substitute the values and compare LHS and RHS.
we have ![$ f(4) = 18 $](https://tex.z-dn.net/?f=%24%20f%284%29%20%3D%2018%20%24)
![$ f(-2) = -12 $](https://tex.z-dn.net/?f=%24%20f%28-2%29%20%3D%20-12%20%24)
![$ f(0) = -2 $](https://tex.z-dn.net/?f=%24%20f%280%29%20%3D%20-2%20%24)
![$ f(-3) = -17 $](https://tex.z-dn.net/?f=%24%20f%28-3%29%20%3D%20-17%20%24)
Here,
is the domain and
is the co-doamin.
Therefore, ![$ x = \{4, -2, 0, -3\} $](https://tex.z-dn.net/?f=%24%20x%20%3D%20%5C%7B4%2C%20-2%2C%200%2C%20-3%5C%7D%20%24)
Now, OPTION A: ![$ f(x) = 2x - 5 $](https://tex.z-dn.net/?f=%24%20f%28x%29%20%3D%20%202x%20-%205%20%24)
Substitute x = 4. We get f(x) = 3
18.
So, OPTION A is rejected.
Similarly, OPTION B: ![$ f(x) = 5x + 2 $](https://tex.z-dn.net/?f=%24%20f%28x%29%20%3D%205x%20%2B%202%20%24)
Substitute x = 4. We get f(4) = 22
18.
It is rejected as well.
Now, for OPTION C: ![$ f(x) = \frac{x}{2} - 5 $](https://tex.z-dn.net/?f=%24%20f%28x%29%20%3D%20%5Cfrac%7Bx%7D%7B2%7D%20-%205%20%24)
Substitute x = 4. We get f(4) = -3
18.
So, OPTION C is also rejected.
OPTION D: ![$ f(x) = 5x - 2 $](https://tex.z-dn.net/?f=%24%20f%28x%29%20%3D%20%205x%20-%202%20%24)
Substitute x = 4. We get f(4) = 18.
Substitute the remaining points in domain as well. We notice that it exactly matches the given function. So, OPTION D is the answer.