The value of m, if 3,18,m,42 are in proportion

Consider the function represented by the equation 1/2 j + 1/4 k equals 3 which shows the equation written in function notation with j as the independent variable

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

Consider the function f(x)=-5x+3 what is f(-2)