What are the domain and range of an exponential parent function? O A. The domain is positive real numbers (x> 0), and the range is all
real numbers,
O B. The domain is all real numbers, and the range is positive real
numbers (y > 0).
• C. The domain is all real numbers, and the range is nonnegative real
numbers (y z 0).
D. The domain is nonnegative real numbers (x z 0), and the range is
all real numbers.

Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?