Raul has 50 coupon books to sell. The total amount of money Raul will make from selling x coupon books is represented by a function. f(x)=20x

What is the practical domain of the function?

all integers from 0 to 50, inclusive

all multiples of 20 between 0 and 1000, inclusive

all integers from 20 to 50, inclusive

all real numbers

What percent of the circle below is shaded?

The correlation coefficient between the number of students and marks obtained in end semester exam. (13 marks) give the statistical meaning of the relationship between the number of students and marks b. obtained in end semester exam. (3 marks) draw the number of students and marks obtained in end semester exam scatter diagram c. (4 marks) check list write your name and id corectly write the question number properly use your own calculator. show all the steps to solve the problems. use the correct formula. answer in provided time. don't use your mobile for any purpose. write your answer up to two decimal places

All of the following ordered pairs satisfy the function rule y=-2x-1 except.