I need to let the function f be defined by the equation y=f(x), where x and f(x) are real numbers. I have to find the domain of this funtion and write my answer in interval notation. Will you please help me?  f(x) = -1/x+8

A soccer ball is kicked from the ground with an intitial upward velocity of 90 feet per second. The equation h(t)= -16t2+90t gives the height h of the ball after t seconds.  Give the domain and range of the function.

“e” was very happy as he was going to six flags. He pictured the perfectroller coaster and wondered what the equation of such a perfect roller coaster would be. Atsix flags, he discovered the following equation:h(d) = d3-7d2+8d+1where h (d) represents the vertical height above the ground and d represents the horizontal distance the roller coaster has travelled.Using calculus methods only, sketch the function by stating all the following:o Any asymptotes o The y-intercept o The first and second derivative o All critical points and whether they are the maximum, minimum, or neither. o All inflection points and the concavity to the left and right of the points o Graph Show all your work

What are the x and y intercepts of the function