What set or sets does the number -68 belong to? * whole number
natural number
integer
rational number

Ms. ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms. ortiz charge per kilogram of tomatoes to make on a load of tomatoes?

Is there an x intercept in the equation 60*1.15^x

Which of the following is equal to the rational expression when x is not equal to -2 or -6?