The function c = 2.50(n – 2) + 4.50 represents the cost c in dollars of printing n invitations. Which of the following statements is not true?

a.One cannot print just one invitation.

b.For each additional invitation, it costs an extra $2.50 to print.

c.Each invitation costs $4.50 to print.

d.The cost depends on the number of invitations printed.

Question

The function c = 2.50(n – 2) + 4.50 represents the cost c in dollars of printing n invitations. Which of the following statements is not true?

a.One cannot print just one invitation.

b.For each additional invitation, it costs an extra $2.50 to print.

c.Each invitation costs $4.50 to print.

d.The cost depends on the number of invitations printed.

Vocaloid · Answer

thoughts? As a hint, I can narrow it down to b and c (after all, each invitation cannot cost $4.50 AND $2.50)

looking at the equation, after n > 2, by how much does the cost increase? as a hint, try plugging in n = 3 and n = 4, and see what the difference between the costs is