MCQ Bank
The horizontal asymptote for the function $y = \frac{{{x^2} - 25}}{{{x^2} - x - 2}}$ is . . . . . . . .
- A) y = 1
- B) y= 0
- C) y = 5/4
- D) None
For the function $y = f(x)$ , the line $x = c$ is called the vertical asymptote if and only if . . . . . .
- A) $$\mathop {\lim }\limits_{x \to {c^ + }} f(x) = \pm \infty$$
- B) $$\mathop {\lim }\limits_{x \to {c^ + }} f(x) = 0$$
- C) $$\mathop {\lim }\limits_{x \to \infty } f(x) = \pm c$$
- D) $$\mathop {\lim }\limits_{x \to {c^ + }} f(x) = \pm c$$
A function f is said to have no absolute maximum when . . . . . . . . . . . . . . .
- A) As $x \to 0$ , then $f(x) \to 0$
- B) As $x \to \infty$ ,then $f(x) \to \infty$
- C) As $x \to 0$ , then $f(x) \to \infty$
- D) As $x \to \infty$ , then $f(x) \to 0$
Which of the following is true for the function$f(x) = 3{x^2} - 6x - 10{\text{ }};x \in \mathbb{R}$
- A) None of the other
- B) It has a critical point at x = 1
- C) It has no critical point
- D) It has a critical number at x= -1
For a rational function $r(x) = \frac{{p(x)}}{{q(x)}} = \frac{{{a_n}{x^n} + {a_{n - 1}}{x^{n - 1}} + ... + {a_0}}}{{{b_m}{x^m} + {b_{m - 1}}{x^{m - 1}} + ... + {b_0}}}$ , if n > m, then . . . . . . . .
- A) The line $y = {b_m}$ is the vertical asymptote.
- B) The line $y = {a_n}$ is the horizontal asymptote.
- C) The line $y = \frac{{{a_n}}}{{{b_m}}}$ is the horizontal asymptote.
- D) The rational function r(x) becomes unbounded for large values of x.
For a rational function $r(x) = \frac{{p(x)}}{{q(x)}} = \frac{{{a_n}{x^n} + {a_{n - 1}}{x^{n - 1}} + ... + {a_0}}}{{{b_m}{x^m} + {b_{m - 1}}{x^{m - 1}} + ... + {b_0}}}$ , if m = n, then . . . . . . . .
- A) The line $y = \frac{{{a_n}}}{{{b_m}}}$ is the vertical asymptote.
- B) The line $y = {b_m}$ is the vertical asymptote.
- C) The line $y = \frac{{{a_n}}}{{{b_m}}}$ is the horizontal asymptote.
- D) The line $y = {a_n}$ is the horizontal asymptote.
Which of the following is not true for the function $f(y) = {y^2};\,\,\,1 \leqslant \,y\, \leqslant \,10$
- A) It has a critical point at x = 5
- B) None of the other
- C) It has a critical point at x = 0
- D) It has no critical point
If for a rational function $r(x) = \frac{{p(x)}}{{q(x)}}$ , degree of p(x) is strictly one great than the degree of q(x) then r(x) will have a/an . . . . . . .
- A) Horizontal asymptote
- B) Vertical asymptote
- C) y = 1 line as asymptote
- D) Oblique asymptote
If two real branches of a curve passing through the double point are real and tangents to them are distinct then the double point is a
- A) Node
- B) Isolated point
- C) Cusp
- D) None of these
Let the straight line $y = mx + c$ be an asymptote to the graph of $y = f(x)$ , then which of the following is true.
- A) $\mathop {\lim }\limits_{x \to \infty } \left[ {f(x) \times (mx + c)} \right] = 0$
- B) $\mathop {\lim }\limits_{x \to \infty } \left[ {f(x) - (mx + c)} \right] = 0$
- C) $\mathop {\lim }\limits_{x \to \infty } \left[ {f(x) + (mx + c)} \right] = \infty$
- D) $\mathop {\lim }\limits_{x \to 0} \left[ {f(x) - (mx + c)} \right] = \infty$
$$The{\text{ }}second{\text{ }}derivative{\text{ }}test{\text{ }}gives{\text{ }}no{\text{ }}information{\text{ }}if{\text{ }}f''\left( c \right),\,\left( {where{\text{ }}c{\text{ }}is{\text{ }}a{\text{ }}critical{\text{ }}point} \right)$$
- A) <0
- B) ≥0
- C) =0
- D) >0
$$If{\text{ }}f\left( x \right) = {\left( {x - 1} \right)^{2/3}} - 3\left( {x - 1} \right){\text{ }}and{\text{ }}f'\left( x \right) = \frac{2}{{3{{\left( {x - 1} \right)}^{1/3}}}} - 3{\text{ }}then{\text{ }}the{\text{ }}singular{\text{ }}point{\text{ }}of{\text{ }}f\left( x \right){\text{ }}is$$
- A) 0
- B) 1
- C) -1
- D) 2
$$If{\text{ }}{\left( {{f_{xy}}} \right)^2} - {f_{xx}}{f_{yy}} > {\text{ }}0,{\text{ }}then{\text{ }}the{\text{ }}double{\text{ }}point{\text{ }}\left( {x,{\text{ }}y} \right){\text{ }}would{\text{ }}be{\text{ }}a$$
- A) Isolated point
- B) Node
- C) Cusp
- D) Both (a) and (b)
Which of the following cannot be an asymptote to the graph of a function $y = f(x)$.
- A) Curved Asymptote
- B) Oblique Asymptote
- C) Horizontal Asymptote
- D) Vertical Asymptote
The horizontal asymptote for the function $y = \frac{{2x + 1}}{{x + 2}}$ is . . . . . . . . .
- A) None
- B) y = 4
- C) y = 0
- D) y =2
A Point on the curve through which more than one branch of the curve pass is called
- A) Singular point
- B) Critical point
- C) None of the other
- D) Multiple Point
A function f has an absolute maximum at a point “c” if ......
- A) $f(c)f(x)\, \geqslant 0\,\,\,\,\,\,\forall \,\,\,x \in D$
- B) $f(c) + f(x) \leqslant 0\,\,\,\,\,\,\,\forall \,\,\,x \in D$
- C) $$f(c) \geqslant f(x)\,\,\,\,\,\,\,\forall \,\,\,x \in D$$
- D) $f(c) \leqslant f(x)\,\,\,\,\,\,\,\forall \,\,\,x \in D$
In polar coordinates, asymptote to a curve can be defined with the help of parameter(s). . . . . . .
- A) The distance $r$ and the initial line.
- B) The distance $r$ and the angle $\theta$.
- C) The distance $r$ only.
- D) The angle $\theta$ only.
If two real branches of a curve passing through the double point are real and tangents to them are coincident then the double point is a
- A) Cusp
- B) All of them
- C) Node
- D) Conjugate point
$If{\text{ }}\frac{{df}}{{dx}}\, > \,0,\,\;at\,R(x,y),then$
- A) f(x) must has a critical point at R(x,y)
- B) None of the other
- C) f(x) is an increasing function at R(x,y)
- D) f(x) is a decreasing function at R(x,y)