iClicker Quiz Questions

Question 1

Is f(x) = 1/x a valid function from R to R?

Answer 1

F

Question 2

Is Z+ –> Z+ defined by f(n) = n+1 injective?

Answer 2

T

Question 3

Is Z+ –> Z+ defined by f(n) = n+1 surjective?

Answer 3

F

Question 4

Can total # of ops be represented by f(n) = n (ceiling)? for(int i=0; i

Answer 4

False

Question 5

Can total # of iterations in for loop be represented by following sum Sum 1 from i=0 to n/2 for even positive numbers?

Answer 5

T