Which of the following relations is a function?

{ (2, 6), (3, 9), (4, 2), (3, 6) }

{ (2, 8), (3, 6), (2, 4), (0, 2) }

{ (3, - 2), (4, 7), (-2, 5), (-4, 5) }

{ (4, 7), (-2, 5), (1, 3), (-2, 1) }

The temperature started at 39°F. If the temperature went down 5°F and then up 7°F, whats is the temperature difference relative to the low temperature? A) - 7°F B) - 5°F C) 5°F D) 7°F

3/8 + 1/3 What's the answer

House is 50.0 ft long and 26 ft wide and has 8.0-ft - m high ceilings. what is the volume of the interior of the house in cubic meters and in cubic centimeters?

Select all of the following expressions that are equivalent to 0.36. (0.6) 2 (-0.3) + (-0.06) |-3 + 2.64| - (-0.36) 2x - 0.64x

The average temperature of Saturn is 218F below zero. what is the absolute value of the integer that represents this temperature

How many permutations are there of the letters in the word surprise?

Find the x - and y - intercept of the graph of the equation 3x + 4y = 24

Emma and her friends arrive in Langdale and decided to go for a coffee the owner of the cafe is giving a free cupcake to every 4th customers Emma is the 17th customer will she receive a free cupcake?

Find the accumulated value of an investment of $13,180 for 6 years at an annual interest rate of 2.3% if the money is: a) compounded semiannually b) compounded monthly c) compounded quarterly d) compounded continuously

If a car travels 640 miles in 11 hours, what is the average rate (speed) of the car? A) 0.017 mph B) 17.12 mph C) 58.18 mph D) 62.9 mph