1 Fie mulțimea de numere reale: A={5;-3,1(7);-3; 2,8; 213; -49}. Determinați mulțimea AZ.
Determinați mulțimea A(R-Q).
Ordonați crescător elementele mulțimii A.

F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5

Suppose i flip two identical coins. what is the probability that i get one head and one tail?