For f(x)=3x and g(x) = x, find each of the following. a. (f+g)(-2) a. (f+g)(-2)= (Simplify your answer.) b. (f-g)(-1)=(Simplify your answer.) = c. (f.g)(1) (Simplify your answer.) d. (4)= (Simplify your answer.) b. (f-g)(-1) c. (f.g)(1) d. 2 (4)

The symbol |x| stands for the _________ of the number x . If x is not 0, then the sign of |x| is always_________.

Crime prevention The number f(x) of incidents of family violence requiring police response appears to be related to x, the money spent on crisis intervention, by the equation f(x)=4300.005x. What expenditure would reduce the number of incidents to 350?

Determine whether the following algebraic equationcan be written as a linear function. 2x+3y=7