Mathematics 1 Ara 7. Deneme Sınavı

1.Soru

If the half-life of a radioactive material is 3000 years, how much of the 100 grams will remain after 5000 years?

15.6

22.7

26.8

28.6

31.5

2.Soru

f : R › R, f(x) = 3 x² – 5. f ^–1(x) = ?

(3 x² – 5)^-1

(-3 x² + 5)^-1

((x + 5) / 3)^1/2

((-x + 5) / 3)^-1/2

(-3 x² + 5)^-1/2

3.Soru

Which of the following statements is false?

If A is subset of B and B is subset of A, then A=B.

Empty set is subset of any set.

A set is subset of itself.

If A is subset of B and C is subset of B, then intersection of A and C can not be empty set.

If A is subset of B and B is subset of C, then A is subset of C.

4.Soru

Given the sets A={3,4,1,9,12}, B={7,3,4,10} and C={3,9,10}. Find(A∪B)\C.

{3, 5, 1, 8, 9}

{3,1,9,12}

{4,1,12,7}

{7,3,4,10}

{3,4,1,9,12}

5.Soru

Wich one of the following numbers is greater?

6.Soru

Given the sets A = {a, b, c, d}, B = {a, c, f, g}
and C= {c, d, g, h, i}. Find (A ? B) ? C.

{a, c, d}

{c, d, g}

{c, d, h}

{g, h, i}

{a, d, g}

7.Soru

Which of the following ones is a polynomial function, with degree 3 ?

3 x

x³ + x

1 + x + x²

x – 3

3 + 3^1/3

8.Soru

f : R › R, f(x) = 2 + 3 x³ ; g : R › R , g(x) = -x + 1. (f . g)(-1) = ?

0

10

-5

-2

4