Answer:
What is the independent (input) variable?
n, the number of necklaces
What is the dependent (output) variable?
c, the total cost in dollars
What is the domain?
n = 0, 1, 2, 3...
Which equation expresses the order’s total cost, c, as a function of the number of necklaces, n?
c(n) = 7n + 6
Which expression means “the total cost, including shipping, of 5 necklaces”?
c(5)
Step-by-step explanation: