Answer quickly i do not need an explanation just the answer
if f(x)= sr1/2x-10 +3, which inequality can be ued to find the domin of f(x)?
a. sr1/2x _> 0
b. 1/2x _> 0
c. 1/2x-10 _> 0
d. sr1/2x-10 +3 _> 0
"sr" means square root and "_> " is greater than or equal to. the "+3"s are not under the square roots

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min

I’m really confused and need to learn this

What are the coordinates of a vertex of the hyperbola?