For which pairs of functions is (f•g)(x)=x

the correct answers i think are b. and d.

give me brainliest if it is correct!

the furthest the dog can be is 508 meters away from the house, and the closest he can be is 492 meters away from the house.

perimeter = 10 +  √10  units

explanation:

first, we will need to get the length of each line using the distance formula which is as follows:

distance = 

1- length of ab:

ab =   = 5 units

2- length of ac

length of ac is the same as ab = 5 units

3- length of bc:

bc =   =  √10  units

now, we can get the perimeter by adding the side lengths as follows:

perimeter = 5 + 5 +  √10

perimeter = 10 +  √10  units

hope this : )

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