The graph of f(x) = −x2 − 2x + 8 is shown. Which of the following describes all solutions for f(x)?

Find the unit rate. enter your answer as a mixed number. a fertilizer covers 2/3 square foot in 1/2 hour.

Amotorboat maintained a constant speed of 12 miles per hour relative to the water in going 45 miles upstream and then returning. the total time for the trip was 8.0 hours. use this information to find the speed of the current.

Students are getting signatures for a petition to increase sports activities at the community center. the number of signatures they get each day is 3 times as many as the day before. the expression 3^6 represents the number of signatures they got on the sixth day. how many signatures did they get on the first day?