Multiply Expressions

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

Acylinder has volume 45π and radius 3. what is it’s height?

Which is the graph of this function 3 square root of x plus one if