Does this graph show a function? Explain how you know. • A. No; the graph fails the vertical line test.
• B. Yes; there are no y-values that have more than one x-value.
O C. No; there are y values that have more than one x-value.
D Yes; the graph passes the vertical line test.

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.