20 points
for the function f defined by f(x)=3x2−2x+5 find f(−x),−f(x) , and −f(−x).

Is the figure congruent? yes or no?

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?

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