Which of the following is the inverse of the relation {(1, 5), (2, 6), (1, 7), (4, 8)}?
A. {(1, 5), (2, 6), (7, 1), (8, 4)}
B. {(5, 1), (6, 2), (7, 1), (8, 4)}
C. {(2, 6), (1, 5), (8, 4), (7, 1)}
D. {(1, 7), (1, 5), (2, 6), (8, 4)}

Question

Which of the following is the inverse of the relation {(1, 5), (2, 6), (1, 7), (4, 8)}?
	A.	{(1, 5), (2, 6), (7, 1), (8, 4)}
	B.	{(5, 1), (6, 2), (7, 1), (8, 4)}
	C.	{(2, 6), (1, 5), (8, 4), (7, 1)}
	D.	{(1, 7), (1, 5), (2, 6), (8, 4)}

anonymous · Answer

not sure with this one i think A but let someone answer as well

anonymous · Answer

The inverse is just the x and y values switched around. So for the first bracket, the co-ordinates are 1,5 so the inverse would be 5, 1. The answer is B

anonymous · Answer

I think it is B.

Reason is:
for the function:  y=x^2
the inverse function is x=+/- sqrt(y)

The forward function has the following points:
(-2,4), (-1,1), (0,0), (1,1) and (2,4)

The inverse function is the following points:

(4,-2), (1,-1),(0,0),(1,1) and (4,2).

I agree with adriana-98

anonymous · Answer

What about this?


What is the a value of the following function?


A.1/3
B.1/2
C.3
D.2

anonymous · Answer

what class is this for?