If f(x)= 3x-1 and g(x)= x+2, find (f-g)(x).
2 answers:
Answer:
Option A.
Step-by-step explanation:
The given functions are
we need to find the function (f-g)(x).
Using the composition of functions the subtraction of two functions is defined as
Substitute the given values of functions f(x) and g(x).
On combining line terms we get
Therefore, the correct option is A.
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Magnitude of the net displacement: 7.0 miles
Step-by-step explanation:
In order to find the total displacement of the man, we have to resolve each displacement along the x- and y- direction.
Taking x as positive x direction and y as positive north direction:
- The first motion is 3 miles due east, so
- The second motion is 5 miles at east of north, so:
So the components of the net displacement are
And so the magnitude of the net displacement is
So, he is 7.0 miles far from the house.
Learn more about distance and displacement:
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