Convert $8.25 per hour to dollars per year , with work

What properties allow transformation to be used as a problem solving tool

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g

Which statement is true about the extreme value of the given quadratic equation? a. the equation has a maximum value with a y-coordinate of -21. b. the equation has a maximum value with a y-coordinate of -27. c. the equation has a minimum value with a y-coordinate of -21. d. the equation has a minimum value with a y-coordinate of -27.