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Question 1 (1 point)
A 100 kg biker (including bike) is riding uphill using with a total applied force of 500 N. However, friction from the air is 10 N and friction from the road is 50 N.
Calculate the bikers acceleration up the hill,

grav potential energy

we have been given a quadratic function and we need to restrict the domain such that it becomes a one to one function.

we know that vertex of this quadratic function occurs at (5,2).

further, we know that range of this function is .

if we restrict the domain of this function to either or , it will become one to one function.

let us know find its inverse.

upon interchanging x and y, we get:

let us now solve this function for y.

hence, the inverse function would be if we restrict the domain of original function to and the inverse function would be if we restrict the domain to .

3. dark matter

empty space could also be a simple vacuum