Cho ¡nh x⁄ f : R2 ! R3 (x1; x2) 7! f(x1; x2) = (x1 + 2x2; −x1; 0).
a) Chøng minh f là ¡nh x⁄ tuy‚n t‰nh;
b) T…m ma tr“n cıa f đŁi với cặp cơ sở B = fu1; u2g trong R2 và B0 = fv1; v2; v3g
trong R3 với u1 = (1; 3); u2 = (−2; 4); v1 = (1; 1; 1); v2 = (2; 2; 0); v3 = (3; 0; 0);

sinn is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

step-by-step explanation:

answer: 12   they all have at least 28 days

step-by-step explanation: haha

this is a good question! i'll do some research and come back when i have the answer!

whew you’re speaking a different language