Which statement could be used to explain why f(x) = 2x – 3 has an inverse relation that is a function? a. the graph of f(x) passes the vertical line test. b. f(x) is a one-to-one function. c. the graph of the inverse of f(x) passes the horizontal line test. d. f(x) is not a function.

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9