Find the domain and range of the function

Find the domain and range of the function.

G(t) = 9/t² – 1

The domain of the function G(t) is ?.

Express the area and perimeter of an equilateral triangle as a function of the triangle’s side length x.

A function for the area of an equilateral triangle is A(x) = ?.

Find the natural domain and graph the function.

f(x) = 4 – 2x – x²

The natural domain of f(x) is ?.

Graph the following equations and explain why the graph are not graphs of function of x.

(a) |y| = x

(b) y² = x²

(a) Which of the following graphs is the correct graph of the equation |y| = x?

Find the domain of the following function.

Y = x + 3/15 - Öx² – 64

The domain is ?.

Find the natural domain and graph the function.

f(x) = Ö-x-4

What is the natural domain of the function?