Given f(x)=4x2+19x−5 and g(x)=4x2−x. What is (fg)(x)?

−x19x−5 where x≠0, 519

xx+5 where x≠0, 5

x+5x where x≠0, 14

−19x+5x where x≠0, 14

What situation is an example of an observational study

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.

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.