Classify the following functions as injection, surjection or bijection:f : Q → Q, defined by f(x) = x3+ 1

Classify the following functions as injection, surjection or bijection:

f : Q → Q, defined by f(x) = $x^{3}$ + 1

Mixed-up sentence exercise

Put the parts in order to form a sentence. When you think your answer is correct, click on "Check" to check your answer. If you get stuck, click on "Hint" to find out the next correct part.