Only 2. Integers have to be a whole number. It can be a positive whole number or negative whole number.
Answer:
1. work is the time it takes to move an object once acted upon by a force
Answer:
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Solution,
Let the points be A and B
A(-4 , 1)------>( X1, y1)
B(2,4)---------->( x2, y2)
Now,
Gradient:





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