The graph of f(x)= |x| is transformed to g(x)=|x+1|-7. On which interval is the function decreasing

Aman steps out of a plane at a height of 4,000m above the ground falls 2,000m very quickly and then opens his parachute and slowly falls the remaining 2000m to the ground what height above the ground would be the best choice for a reference point

What are the vertical asymptotes of the function f(x) =5x+5/x2 + x-2

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?