Which of the following are in function notation?

a. y = mx + b

b. f (x) = 3x - 1

c. x = 2x + 1

b. (4, 5)

Marco went to the library. He checked out 6 movies. The rest of the items he checked out were books. He checked out a total of 17 items. How many books did he check out? Use the variable b to represent the number of books Marco checked out.

Solve y = (x+4) squared+2

The difference of sample means of two populations is 108.7, and the standard deviation of the difference in sample means is 32. Which statement is true if we are testing the null hypothesis at the 68% confidence level? A.

4.2 is 25% of what number

A scientists writes the equation N (h) = 100e^0.25h to model the growth of a certain bacteria in a petri dish, where N represent the number of bacteria after h hours.

John and Mary are taking a mathematics course. The course has only three grades: A, B, and C. The probability that John gets a B is. 3. The probability that Mary gets a B is. 4. he probability that neither gets an A but at least one gets a B is. 1.

On January 1st, Jerome concocts a rumor and tells Beth. On January 2nd, they each tell a new person. By the end of January 2nd, four people have heard the rumor. On each subsequent day, each person who has heard the rumor spreads it to a new person.

A sweater that regularly sold for $52 id now on sale at 30% off. what is the sale price?

Lisa got 9/10 gallon of olive oil from a gourmet shop. She calculated the quotient of 9/10 : 2/5. Explain what the quotient of this problem would represent.

A model car maker puts 5 wheels in each kit. A machine makes 30 wheels at the time How many packages of 5 wheels can be made from the 30 wheels?