What is the output of the function f(x) = x + 21 if the input is 4? when the input is 4, the output of f(x) = x + 21 is

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

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.

What fraction is equivalent to 0.46464646··· a. 46⁄99 b. 46⁄999 c. 46⁄100 d. 23⁄50