A real-valued function y of real variable x is such that \(y = 5 |x|\). At x = 0, the function is

discontinuous but differentiable

both continuous and differentiable

discontinuous and not differentiable

continuous but not differentiable

A real-valued function y of real variable x is such that \(y = 5 |x|\

1.	A real-valued function y of real variable x is such that \(y = 5 \|x\|\). At x = 0, the function is
A.	discontinuous but differentiable
B.	both continuous and differentiable
C.	discontinuous and not differentiable
D.	continuous but not differentiable
Answer» E.

Discussion

No Comment Found

Related MCQs

If \({\rm{y}} = {\sec ^{ - 1}}\left( {\frac{{{\rm{x}} + 1}}{{{\rm{x}} - 1}}} \right) + {\sin ^{ - 1}}\left( {\frac{{{\rm{x}} - 1}}{{{\rm{x}} + 1}}} \right)\), then \(\frac{{{\rm{dy}}}}{{{\rm{dx}}}}\) is equal to
Let \({\rm{f}}\left( {{\rm{x}},{\rm{y}}} \right) = \frac{{{\rm{a}}{{\rm{x}}^2} + {\rm{b}}{{\rm{y}}^2}}}{{{\rm{xy}}}}\), where a and b are constants. If \(\frac{{\partial {\rm{f}}}}{{\partial {\rm{x}}}} = \frac{{\partial {\rm{f}}}}{{\partial {\rm{y}}}}{\rm{\;}}\) at x = 1 and y = 2, then the relation between a and b is
If \(f\left( x \right) = \frac{{{x^3}}}{3} - \frac{{5{x^2}}}{2} + 6x + 7\) increases in the interval T and decreases in the interval S, then which one of the following is correct?
Find the differentiation of \({\cos ^{ - 1}}x\)
If v = yz î + 3zx ĵ + z k̂, then curl v is
Change the order of integration in\(\mathop{\int }_{0}^{a}\mathop{\int }_{y}^{a}\frac{x}{{{x}^{2}}+{{y}^{2}}}dx~dy\)
Each of four particles move along an x-axis. Their coordinates (in meters) as functions of time (in seconds) are given by1) particle 1: x (t) = 3.5 – 2.7 t32) particle 2: x (t) = 3.5 + 2.7 t33) particle 3: x (t) = 3.5 – 2.7 t24) particle 4: x (t) = 3.5 – 3.4t - 2.7 t2Which of these particles have constant acceleration?
Differentiate {-log (log x), x > 1} with respect to x
A function f(x) = 1 - x2 + x3 is defined in the closed interval [-1, 1]. The value of x, in the open interval (-1, 1) for which the mean value theorem is satisfied, is
If \(u = \log \left( {\frac{{{x^2} + {y^2}}}{{x + y}}} \right)\) then \(x\frac{{\partial u}}{{\partial x}} + y\frac{{\partial u}}{{\partial x}}\) is equal to –

A real-valued function y of real variable x is such that \(y = 5 |x|\). At x = 0, the function is

Discussion

No Comment Found

Related MCQs

Reply to Comment