Find the inverse of the function y=x^2+4x+4
1 answer:
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Given :
A credit card company requires that its customers choose a 3 digit.
Each digit should be chosen from 0, 1, 2, 3, 4, 5, 6, 7, 8 or 9.
So there are 10 possibilities for each digit.
To Find :
How many different three digit codes are there.
Solution :
We know, possibility of choosing each digit is 10.
So, total number of three digit codes are :
Therefore, their are 1000 different three digit codes.
Hence, this is the required solution.
Answer:
Option 4 : 16+24i
Step-by-step explanation:
Given a circle has a diameter with end points at(15+25i) and (-25-17i)
Centre would be the mid point of these two points
Centre =
Out of given four points to find which point lies on the circle
If a point lies on the circle then it would have distance from centre equal to radius.
Radius = distance between two given points/2
=
Let us calculate distance form each point.
i)-15+2i: distance from -5+4i= 10.19
ii) 0+0i : distance from -5+4i = 6.40
iii) 15+17i : Distance from -5+4i = 23.85
iv) 16+24i: distance from -5+4i= 29
Hence only 4th point lies on the circle