For each number, indicate whether it’ is rational or irrational

What basic trigonometric identity would you use to verify that csc x sec x cot x = csc^(2)x

Which function families have maximums and minimums? 1.)linear absolute value functions and exponential functions 2.) linear absolute value functions and quadratic functions 3.) linear absolute value functions and linear functions 4.) linear absolute value functions and constant functions

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12