Which of the following shows a mapping that is a function

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?