|BSM

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Identify increase, Increase and constant intervals (Refrence function)

Is the sentence true or false?
A function is increasing on an open interval, if f(x₁) < f(x₂) whenever x₁ < x₂ for any x₁ and x₂ in the interval.

True

False

Which of the following is constant interval of $f(x)=2x$ ?

$[0,∞)$

$(-∞,0]$

$(-∞,∞)$

Which of the following is increase interval of $f(x)=|x|$ ?

$[0,∞)$

$(-∞,0]$

$(-∞,∞)$

Which of the following is decrease interval of $f(x)=|x|$ ?

$[0,∞)$

$(-∞,0]$

$(-∞,∞)$

Which of the following is constant interval of $f(x)=5$ ?

$[0,∞)$

$(-∞,0]$

$(-∞,∞)$

Is the sentence true or false?
A function is constant on an open interval, if f(x₁) = f(x₂) for any for any x₁ and x₂ in the interval

True

False

Is the sentence true or false?
Function $f(x)=3x$ is increasing on the interval $[0,5]$ .

True

False

Which of the following is increase interval of $f\left(x\right)=x^2$ ?

$[0,∞)$

$(-∞,0]$

$(-∞,∞)$

Which of the following is decrease interval of $f(x)=x^2$ ?

$[0,∞)$

$(-∞,0]$

$(-∞,∞)$

Is the sentence true or false?
Function $f(x)=-3x^2$ is increasing on the interval $[0,5]$ .

True

False

Questions

Time

Score

Identify increase, Increase and constant intervals (Refrence function)

Is the sentence true or false?A function is increasing on an open interval, if f(x1) < f(x2) whenever x1 < x2 for any x1 and x2 in the interval.

True

False

Which of the following is constant interval of ﻿f(x)=2xf(x)=2xf(x)=2x﻿ ?

﻿[0,∞)[0,∞)[0,∞)﻿

﻿(−∞,0](-∞,0](−∞,0]﻿

﻿(−∞,∞)(-∞,∞)(−∞,∞)﻿

Which of the following is increase interval of ﻿f(x)=∣x∣f(x)=|x|f(x)=∣x∣﻿ ?

﻿[0,∞)[0,∞)[0,∞)﻿

﻿(−∞,0](-∞,0](−∞,0]﻿

﻿(−∞,∞)(-∞,∞)(−∞,∞)﻿

Which of the following is decrease interval of ﻿f(x)=∣x∣f(x)=|x|f(x)=∣x∣﻿ ?

﻿[0,∞)[0,∞)[0,∞)﻿

﻿(−∞,0](-∞,0](−∞,0]﻿

﻿(−∞,∞)(-∞,∞)(−∞,∞)﻿

Which of the following is constant interval of ﻿f(x)=5f(x)=5f(x)=5﻿ ?

﻿[0,∞)[0,∞)[0,∞)﻿

﻿(−∞,0](-∞,0](−∞,0]﻿

﻿(−∞,∞)(-∞,∞)(−∞,∞)﻿

Is the sentence true or false?A function is constant on an open interval, if ﻿﻿f(x1) = f(x2) for any for any x1 and x2 in the interval

True

False

Is the sentence true or false?Function ﻿f(x)=3xf(x)=3xf(x)=3x﻿ is increasing on the interval ﻿[0,5][0,5][0,5]﻿ .

True

False

Which of the following is increase interval of ﻿f(x)=x2f\left(x\right)=x^2f(x)=x2﻿ ?

﻿[0,∞)[0,∞)[0,∞)﻿

﻿(−∞,0](-∞,0](−∞,0]﻿

﻿(−∞,∞)(-∞,∞)(−∞,∞)﻿

Which of the following is decrease interval of ﻿f(x)=x2f(x)=x^2f(x)=x2﻿ ?

﻿[0,∞)[0,∞)[0,∞)﻿

﻿(−∞,0](-∞,0](−∞,0]﻿

﻿(−∞,∞)(-∞,∞)(−∞,∞)﻿

Is the sentence true or false?Function ﻿f(x)=−3x2f(x)=-3x^2f(x)=−3x2﻿ is increasing on the interval ﻿[0,5][0,5][0,5]﻿ .

True

False

Incorrect

Great!

Is the sentence true or false?
A function is increasing on an open interval, if f(x₁) < f(x₂) whenever x₁ < x₂ for any x₁ and x₂ in the interval.

Which of the following is constant interval of $f(x)=2x$ ?

$[0,∞)$

$(-∞,0]$

$(-∞,∞)$

Which of the following is increase interval of $f(x)=|x|$ ?

$[0,∞)$

$(-∞,0]$

$(-∞,∞)$

Which of the following is decrease interval of $f(x)=|x|$ ?

$[0,∞)$

$(-∞,0]$

$(-∞,∞)$

Which of the following is constant interval of $f(x)=5$ ?

$[0,∞)$

$(-∞,0]$

$(-∞,∞)$

Is the sentence true or false?
A function is constant on an open interval, if f(x₁) = f(x₂) for any for any x₁ and x₂ in the interval

Is the sentence true or false?
Function $f(x)=3x$ is increasing on the interval $[0,5]$ .

Which of the following is increase interval of $f\left(x\right)=x^2$ ?

$[0,∞)$

$(-∞,0]$

$(-∞,∞)$

Which of the following is decrease interval of $f(x)=x^2$ ?

$[0,∞)$

$(-∞,0]$

$(-∞,∞)$

Is the sentence true or false?
Function $f(x)=-3x^2$ is increasing on the interval $[0,5]$ .