Suppose Cosine (x) = negative one-third where StartFraction pi Over 2 EndFraction less-than-or-equal-to x less-than-or-equal-to pi. What is the value of tan(2x)?

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons