WorksheetsMathematics in Economics Worksheet
Total questions: 26
Worksheet time: 13mins
For the function y = x / ( x2−3 ), D(x) = ?
A) x ≥ 0, x ≠ ±√3
B) x ≠ ±√3
C) x ≥ 0, x ≠ 3
D) x ≥ 0, x ≠ -√3
E) x ≠ 1/√3
lim (x→1) (5x2−6x+7) = ?
6
7
5
4
2
lim(x→0)(x2−1)/(2x2−x−1) = ?
1
2
0
3
1/2
What is the value of lim_{x→-π/2} sin(x)?
1
0
-1
π/2
2
What is the value of limx→√3(x4+x2+1)(x2−3) ?
0
1
-1
√3
-√3
What is the value of limx→1(x2−1)(x2+2x+2) ?
∞
1
0
1/2
-1
What is the value of the following limit? lim(x→0)4x3+x+103x2+x = ?
0
1
3/4
4/3
2
What is the value of the following limit? lim (x→1/2) arcsin(x) = ?
π/6
π/2
π/3
π/4
π
What is the value of the following limit? lim (x→√3/3) arctg(x) = ?
π/6
π/2
π/3
π/4
What is the value of the following limit? lim(x→1)[5/sin3(x−1)] = ?
∞
1
0
1/5
5
What is the value of the following limit? lim (x→0) [ -2 / √(tg 3x) ] = ?
∞
1
0
-2
2
Given y = lg(3x - 2), what is the domain D(x)?
(2/3, ∞)
(-2/3, ∞)
(-∞, -2/3)
(-∞, 2/3)
For the function y = x2+2 , what is the domain D(x)?
(-∞, +∞)
(-∞, 0)
(0, +∞)
(-2, 2)
(-2, 0)
For the function f(x) = x−x2 , what is the domain D(x)?
A) [0, 1]
B) [1, ∞)
C) (0, 1)
D) (-∞, 0)
E) (-∞, ∞)
Find the domain D(x) of the function: y = √(3x - 9). What is D(x)?
A) [2, ∞)
B) (-∞, ∞)
C) [-2, 2]
D) [0, ∞)
E) (-∞, 2]
Find the domain D(x) of the function: f(x) = √x · √(x - 1). What is D(x)?
x ≥ 1
x ≤ 0
x > 0
x > 1
x ≤ 1
Find the domain D(x) of the function: y = log₃(3x + 4). What is D(x)?
(-4/3, ∞)
(4/3, ∞)
(-∞, ∞)
(-∞, 4/3)
(-∞, -4/3)
y = arcsin(2x - 5). D(x) = ?
2 ≤ x ≤ 3
-1 ≤ x ≤ 1
x ≥ 2
x ≥ π/2
x ≤ 3
y = √((x - 3)(x - 4)). D(x) = ?
x ≤ 3, x ≥ 4
x ≤ 0
x ≥ 4
3 ≤ x ≤ 4
x ≤ 3
lim(x→1)(2x2)(8/x) = ?
1
2
1/2
3
1/3
Find the value: lim(x→2)(x31)x28⋅y′=?
1/64
1/63
1/62
1/36
1/25
Find the value: lim(x→+∞)3/(2(x−1)) :
0
∞
1
3/2
2/3
Find the value: lim(x→−∞)3/(2(x−1)) = ?
∞
0
1
3/2
2/3
What is the value of the following limit? lim(x→0)e1/x2x2 = ?
0
∞
1
1/2
2
What is the value of the following limit? x→∞lim2x3+5x2−x3x3−5x2+2 = ?
3/2
2/3
3
2
1
What is the value of the following limit? lim(x→∞)2x3+57x3−2x2+4x = ?
7/2
2/7
7
2
7/5
