Seçmeli Ara Sınav - Mathematics 1

Soru 1:

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

A) 15.6 B) 22.7 C) 26.8 D) 28.6 E) 31.5

Soru 2:

f : R › R, f(x) = 3 x 2 – 5. f –1 (x) = ?

A) (3 x2– 5)-1 B) (-3 x2+ 5)-1 C) ((x + 5) / 3)1/2 D) ((-x + 5) / 3)-1/2 E) (-3 x2+ 5)-1/2

Soru 3:

Which of the following statements is false ?

A) If A is subset of B and B is subset of A, then A=B. B) Empty set is subset of any set. C) A set is subset of itself. D) If A is subset of B and C is subset of B, then intersection of A and C can not be empty set. E) If A is subset of B and B is subset of C, then A is subset of C.

Soru 4:

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

A) {3, 5, 1, 8, 9} B) {3,1,9,12} C) {4,1,12,7} D) {7,3,4,10} E) {3,4,1,9,12}

Soru 5:

Wich one of the following numbers is greater?

A) B) C) D)

Soru 6:

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) {a, c, d} B) {c, d, g} C) {c, d, h} D) {g, h, i} E) {a, d, g}

Soru 7:

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

A) 3 x B) x3+ x C) 1 + x + x2 D) x – 3 E) 3 + 31/3

Soru 8:

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

A) 0 B) 10 C) -5 D) -2 E) 4