This hurts more than a break up.lol

What are the domain and range of the function? f(x) = -4 (sqrt)x

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.