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Identify cosine functions from the equation

Which of the following is a cosine function?

$g(x)=\sin x$

$h(x)=\cos x$

Which of the following is a cosine function?

$f(x)=-2\cos x$

$f(x)=\frac{x+1}{\cos x}$

Which refers to the general form of a cosine function?

$g(x)=ax^3+bx^2+cx+d$

$f(x)=ax^2+c$

$h(x)=aCosx+b$

Which of the following is a cosine function?

$f(x)=2\cos x+2$

$f(x)=\cos^{x+2}$

Which of the following is a cosine function?

$g(x)=Cosx$

$h(x)=\tan x$

Which of the following is a cosine function?

$f(x)=2\cos x$

$f(x)=x^{\cos}$

Is the sentence true or false?
$f(x)=Cos4x$ is a cosine function.

True

False

Which of the following is a cosine function?

$f(x)=-\cos x$

$f(x)=x+1$

Which of the following is a cosine function?

$f(x)=\cos(x-1)$

$h(x)=Sinx+4$

Which of the following is a cosine function?

$f(x)=\cos2x$

$f(x)=2^{\cos}$

Questions

Time

Score

Identify cosine functions from the equation

Which of the following is a cosine function?

$g(x)=\sin x$

$h(x)=\cos x$

Which of the following is a cosine function?

$f(x)=-2\cos x$

$f(x)=\frac{x+1}{\cos x}$

Which refers to the general form of a cosine function?

$g(x)=ax^3+bx^2+cx+d$

$f(x)=ax^2+c$

$h(x)=aCosx+b$

Which of the following is a cosine function?

$f(x)=2\cos x+2$

$f(x)=\cos^{x+2}$

Which of the following is a cosine function?

$g(x)=Cosx$

$h(x)=\tan x$

Which of the following is a cosine function?

$f(x)=2\cos x$

$f(x)=x^{\cos}$

Is the sentence true or false?
$f(x)=Cos4x$ is a cosine function.

True

False

Which of the following is a cosine function?

$f(x)=-\cos x$

$f(x)=x+1$

Which of the following is a cosine function?

$f(x)=\cos(x-1)$

$h(x)=Sinx+4$

Which of the following is a cosine function?

$f(x)=\cos2x$

$f(x)=2^{\cos}$

Incorrect

Great!

Questions

Time

Score

Identify cosine functions from the equation

Which of the following is a cosine function?

﻿g(x)=sin⁡xg(x)=\sin xg(x)=sinx﻿

﻿h(x)=cos⁡xh(x)=\cos xh(x)=cosx﻿

Which of the following is a cosine function?

﻿f(x)=−2cos⁡xf(x)=-2\cos xf(x)=−2cosx﻿

﻿f(x)=x+1cos⁡xf(x)=\frac{x+1}{\cos x}f(x)=cosxx+1​﻿

Which refers to the general form of a cosine function?

﻿g(x)=ax3+bx2+cx+dg(x)=ax^3+bx^2+cx+dg(x)=ax3+bx2+cx+d﻿

﻿f(x)=ax2+cf(x)=ax^2+cf(x)=ax2+c﻿

﻿h(x)=aCosx+bh(x)=aCosx+bh(x)=aCosx+b﻿

Which of the following is a cosine function?

﻿f(x)=2cos⁡x+2f(x)=2\cos x+2f(x)=2cosx+2﻿

﻿f(x)=cos⁡x+2f(x)=\cos^{x+2}f(x)=cosx+2﻿

Which of the following is a cosine function?

﻿g(x)=Cosxg(x)=Cosxg(x)=Cosx﻿

﻿h(x)=tan⁡xh(x)=\tan xh(x)=tanx﻿

Which of the following is a cosine function?

﻿f(x)=2cos⁡xf(x)=2\cos xf(x)=2cosx﻿

﻿f(x)=xcos⁡f(x)=x^{\cos}f(x)=xcos﻿

Is the sentence true or false?﻿f(x)=Cos4xf(x)=Cos4xf(x)=Cos4x﻿ is a cosine function.

True

False

Which of the following is a cosine function?

﻿f(x)=−cos⁡xf(x)=-\cos xf(x)=−cosx﻿

﻿f(x)=x+1f(x)=x+1f(x)=x+1﻿

Which of the following is a cosine function?

﻿f(x)=cos⁡(x−1)f(x)=\cos(x-1)f(x)=cos(x−1)﻿

﻿h(x)=Sinx+4h(x)=Sinx+4h(x)=Sinx+4﻿

Which of the following is a cosine function?

﻿f(x)=cos⁡2xf(x)=\cos2xf(x)=cos2x﻿

﻿f(x)=2cos⁡f(x)=2^{\cos}f(x)=2cos﻿

Incorrect

Great!

$g(x)=\sin x$

$h(x)=\cos x$

$f(x)=-2\cos x$

$f(x)=\frac{x+1}{\cos x}$

$g(x)=ax^3+bx^2+cx+d$

$f(x)=ax^2+c$

$h(x)=aCosx+b$

$f(x)=2\cos x+2$

$f(x)=\cos^{x+2}$

$g(x)=Cosx$

$h(x)=\tan x$

$f(x)=2\cos x$

$f(x)=x^{\cos}$

Is the sentence true or false?
$f(x)=Cos4x$ is a cosine function.

$f(x)=-\cos x$

$f(x)=x+1$

$f(x)=\cos(x-1)$

$h(x)=Sinx+4$

$f(x)=\cos2x$

$f(x)=2^{\cos}$