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महाराष्ट्र राज्य शिक्षण मंडळएचएससी वाणिज्य (इंग्रजी माध्यम) इयत्ता १२ वी

Choose the correct alternative: The function f(x) = x3 – 3x2 + 3x – 100, x ∈ R is - Mathematics and Statistics

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प्रश्न

Choose the correct alternative:

The function f(x) = x3 – 3x2 + 3x – 100, x ∈ R is

पर्याय

  • increasing for all x ∈ R, x ≠ 1 

  • decreasing

  • neither increasing nor decreasing

  • decreasing for all x ∈ R, x ≠ 1

MCQ
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उत्तर

increasing for all x ∈ R, x ≠ 1 

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1.4: Applications of Derivatives - Q.1

व्हिडिओ ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्‍न

The function f (x) = x3 – 3x2 + 3x – 100, x∈ R is _______.

(A) increasing

(B) decreasing

(C) increasing and decreasing

(D) neither increasing nor decreasing


Prove that the logarithmic function is strictly increasing on (0, ∞).


On which of the following intervals is the function f given byf(x) = x100 + sin x –1 strictly decreasing?


Find the interval in which the following function are increasing or decreasing  f(x) = 6 − 9x − x2  ?


Find the interval in which the following function are increasing or decreasing f(x) = 2x3 − 15x2 + 36x + 1 ?


Find the interval in which the following function are increasing or decreasing  f(x) =  \[5 x^\frac{3}{2} - 3 x^\frac{5}{2}\]  x > 0 ?


Find the interval in which the following function are increasing or decreasing \[f\left( x \right) = 3 x^4 - 4 x^3 - 12 x^2 + 5\] ?


Find the interval in which the following function are increasing or decreasing \[f\left( x \right) = \log\left( 2 + x \right) - \frac{2x}{2 + x}, x \in R\] ?


Show that f(x) = sin x is an increasing function on (−π/2, π/2) ?


Determine whether f(x) = −x/2 + sin x is increasing or decreasing on (−π/3, π/3) ?


Find the intervals in which f(x) = (x + 2) e−x is increasing or decreasing ?


Find the set of values of 'b' for which f(x) = b (x + cos x) + 4 is decreasing on R ?


Function f(x) = cos x − 2 λ x is monotonic decreasing when


The consumption expenditure Ec of a person with the income x. is given by Ec = 0.0006x2 + 0.003x. Find MPC, MPS, APC and APS when the income x = 200.


Using truth table show that ∼ (p → ∼ q) ≡ p ∧ q 


Find the intervals in which function f given by f(x)  = 4x3 - 6x2 - 72x + 30 is (a) strictly increasing, (b) strictly decresing .


Prove that the function f : N → N, defined by f(x) = x2 + x + 1 is one-one but not onto. Find the inverse of f: N → S, where S is range of f.


Show that y = `log (1 + x) – (2x)/(2 + x), x > - 1` is an increasing function on its domain.


Find the value of x, such that f(x) is increasing function.

f(x) = 2x3 - 15x2 + 36x + 1 


Choose the correct alternative.

The function f(x) = x3 - 3x2 + 3x - 100, x ∈ R is


Find the values of x for which the function f(x) = x3 – 6x2 – 36x + 7 is strictly increasing


Find the values of x for which f(x) = 2x3 – 15x2 – 144x – 7 is

  1. Strictly increasing
  2. strictly decreasing

If the function f(x) = `7/x - 3`, x ∈ R, x ≠ 0 is a decreasing function, then x ∈ ______


The sides of a square are increasing at the rate of 0.2 cm/sec. When the side is 25cm long, its area is increasing at the rate of ______


Given P(x) = x4 + ax3 + bx2 + cx + d such that x = 0 is the only real root of P'(x) = 0. If P(-1) < P(1), then in the interval [-1, 1] ______


The function f(x) = sin x + 2x is ______ 


If f(x) = `x^(3/2) (3x - 10)`, x ≥ 0, then f(x) is increasing in ______.


The interval on which the function f(x) = 2x3 + 9x2 + 12x – 1 is decreasing is ______.


Find the interval/s in which the function f : R `rightarrow` R defined by f(x) = xex, is increasing.


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