A second function is defined by the formula y = x^2 - 1. Which function, the first or second, has a greater output when the input is 3? Justify (help)

Which statement is true 1.the pythagorean theorem can be used to find the missing side of any triangle 2.the pythagorean theorem can be used to find the missing side of any polygon 3. the pythagorean theorem can be used to find the missing side of any right triangle 4.the pythagorean theorem can be used to find the missing side of any isosceles triangle

What are the domain and range of the function? f(x) = -4 (sqrt)x

What is the value of the digit 1 in the number 13?