The units of the subway map below are in miles. Suppose the routes between
1 answer:
Distance between Station E and Station G is 8.48 miles (Approx.)
<u>Given:</u>
Distance 3 miles east
Distance 5 miles south
<u>Find:</u>
Distance between Station E and Station G
<u>Computation:</u>
Co-ordinate of Point E = (-3 , 1)
Co-ordinate of Point G is 3 mile east and 5 mile south
So,
Co-ordinate of Point G = (3 , -5)
Distance between two point = √(x2 - x1)² + (y2 - y1)²
So,
Distance between Station E and Station G = √(3 + 3)² + (-5 - 1)²
Distance between Station E and Station G = √(6)² + (-6)²
Distance between Station E and Station G = √36 + 36
Distance between Station E and Station G = √72
Distance between Station E and Station G = 8.48 miles (Approx.)
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Answer:
The correct option is 4. Neither A nor B represents a function.
Step-by-step explanation:
The given sets of ordered pairs are
A set of ordered pairs represents a function if there exist unique outputs for all inputs. It means for each values of x there exist, a unique value of y.
In set A the value of y-coordinates are -5 and 7 at .
At x=8, there exist more than one value of y, so the set A is not a function.
In set B the value of y-coordinates are -4 and -2 at .
At x=7, there exist more than one value of y, so the set B is not a function.
Therefore neither A nor B represents a function and option 4 is correct.