Can someone please help

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.

Question 3 (a) consider the data. 00 0 25 0.5 05 () construct the divaded difference's table for the data (u) construct the newton form of the polynomial of lowest degree that interpolates /() at these points (3) (ii) suppose that these data were generated by the function cos 2 ()=1+ 2 use the next term rule to approximate the error ip(z)- f() over the interval 0,0 5 your answer should be a pumber 3 (b) let f ((z) co+ clco, ci e r) set up the normal equations to find the least squares best fe f to approximate the data x y 2 y2 (c) find the constants a, b and c such that stz)(z-1+b(z-1)2+6(z-1)+1 cr +182-30+19- 1sz< 2 25z< 3 (9) s a natural cubic splhne [25] |turn over

Rodell wants to find the favorite gaming app among the students at his school. he decides to poll the thirty students on his football team and the fifteen students on his basketball team to gather the data. what is wrong with rodell’s method for collecting his data? a. rodell only polled male athletes; this sample does not represent the girls or nonathletes at the school. b. rodell needs a larger sample size than two sports teams to represent a whole school. c. rodell polled everyone on his teams; he should have only polled every other student for it to be a true sample. d. rodell’s polling method only included fall and winter sports; he should have also included a spring sport like baseball.