The graph of f(x) = 2* is shown on the grid. The graph of g(x) = (*)* is the graph of f(x) =
24 reflected over the y-axis. Which graph represents
61
9(x)?
4+
3+
2-
O
-5 -4 -3 -2 -1
3
-2+

How can you tell when x and y are not directly proportional?

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?