The function f : ℤ ⟶ ℤ defined by f(n) = n(mod 11) is a bijection.

Every integer > 1 has a unique prime factorization, with the prime factors written in non-decreasing order.

For arbitrary positive integers a, b, and c, with a ≠ 0, if a | (b c), then a | b and a | c.

If the universe of discourse for x and y is the set of positive real numbers, ∀x ∃y [ ( x2 + 1 ) y = 1 ]

For arbitrary integers a and b and arbitrary prime number p, if p | (a b) and p | a, then p | b.

What is the value of 11 // 2?

The function f : ℝ ⟶ ℝ defined by f(x) = x3 + 3×2 – x + 7 is O(x2).

For indention, tabs are preferred over spaces.

Which question on this exam did you find the most difficult?

Holding all else constant, which of the following demand schedules is most likely to represent New York Mets T-shirts if they win the World Series? Price Quantity Demanded   $8.00 200 $10.00 175 $12.00 150 $14.00 100 $16.00   50