The higher the percentage, the steeper the grade and the steeper the hill. This warning is issued so drivers are more careful (otherwise they would probably get into more accidents).
Relations are not just functions but they are also non functions
Factor the numerator and denominator
(x^2-x-6)/(x^2-4)
((x-3)(x+2))/((x+2)(x-2)) the (x+2)'s cancel out leaving...
(x-3)/(x-2)
She would save 94 cents buying the name brand cookies
