15 less than the product of 2 times a number m is 17. Find the number m. You don't need to label your answer. Just the number please!

An empty bucket is placed under a faucet dripping at a constant rate of 4 milliliters per minute. with the given information, which of these statements is a reasonable conclusion? a there will be 24 milliliters of water in the bucket after 16 hour. b there will be 60 milliliters of water in the bucket after 14 hour. c there will be 160 milliliters of water in the bucket after 20 minutes. d there will be 100 milliliters of water in the bucket after 40 minutes.

Math it's appreciated. (picture provided)

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?