Given is a graph of a portion of the postage function, which depicts the cost (in cents) of mailing a letter, p, versus the weight (in ounces) of the letter, x. What is the postage for a letter weighing
Is the postage function continuous?
◦ 33 cents; 55 cents; 77 cents; no
◦ 55 cents; 55 cents; 77 cents; yes
◦ 55 cents; 55 cents; 77 cents; no
◦ 55 cents; 77 cents; 77 cents; no