Questions & Answers - Ask Your Doubts
Ask your doubts to Learn New things everyday
Filters
Latest Questions
Mathematics
Functions
Which of the following is true regarding the symmetry of the function ? \[f(x) = x^{4}\ + x^{2}\ + 3\]
A. \[f(x)\ = f( - x)\]
B. \[f(x) = - f( - x)\]
C. It is an even function.
D. Symmetric wrt y axis

Mathematics
Functions
If \[f\left( x \right) = 4 - {x^2}\] and \[g\left( x \right) = 6x\] , which expression is equivalent to \[\left( {g - f} \right)\left( 3 \right)\] ?
Mathematics
Functions
Why does the vertical line test work?
Mathematics
Functions
If \[f:R \to R\] is given by $f\left( x \right)=\left\{ \begin{matrix}
1,\text{ if }x\text{ is rational} \\
0,\text{ if }x\text{ is irrational} \\
\end{matrix} \right.$, Then \[\left( {fof} \right)\left( {\sqrt 5 } \right) = \]
(A) \[1\]
(B) \[ - 1\]
(C) \[\sqrt 3 \]
(D) \[0\]
Mathematics
Functions
If R denotes the set of all real number, then the function f: $R \to R$ defined by $f\left( x \right) = |x|\,\,is\,$
A. only one-one
B. only onto
C. both one-one and onto
D. neither one-one nor onto
Mathematics
Functions
If \[f\left( x \right) = 4{x^2} + 3x + 7\]and \[g\left( x \right) = 3x - 5\] then find \[\left( {g \circ f} \right)\left( x \right)\]?
Mathematics
Functions
How do you find the domain and range of \[x + \sqrt {x - 1} \] ?
Mathematics
Functions
The following function is given as a set of ordered pairs \[\left\{ {\left( {1,3} \right),\left( {3, - 2} \right),\left( {0,2} \right),\left( {5,3} \right),\left( { - 5,4} \right)} \right\}\] what is the domain of this function?
Mathematics
Functions
How do you decide whether the relation \[xy = 9\] defines a function?
Mathematics
Functions
The function $f(x) = 10,000 - 1,500x$ can be used to predict the number of termites in an area $x$ days after the area has been treated. How many termites are predicted in the area after $5$ days?
Mathematics
Functions
Pens are shipped to the office supply store in boxes of $12$ each. Write a function rule to calculate the total number of pens when you know the number of boxes?
Mathematics
Functions
What is the domain of the derivative of \[\ln x\] ?
Prev
1
2
3
4
5
Next