7th
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8th
grade

Mathematics

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C Dzirutwe

4 years

Mathematics

7th -

8thgrade

Inverse of functions

C Dzirutwe

51
plays

15 questions

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1. Fill in the Blank
30 seconds
1 pt
A function is an equation that shows the ................. between 2 or more letters.
2. Fill in the Blank
30 seconds
1 pt
In Algebra, letters are used to represent numbers. These letters can also be called.............
3. Fill in the Blank
30 seconds
1 pt
When given an equation, the letter that stands on its own is called the ............... of the formula.
4. Fill in the Blank
30 seconds
1 pt
An inverse function is a function that does the .............. of the original function.
5. Multiple Choice
1 minute
1 pt
Find the inverse of the function $f\left(x\right)=x+7$
$f^{-1}\left(x\right)=x-7$
$f^{-1}\left(x\right)=x+7$
$f^{-1}\left(x\right)=7x$
$f^{-1}\left(x\right)=\frac{7}{x}$
6. Multiple Choice
1 minute
1 pt
Find the inverse of the function $f\left(x\right)=\frac{x}{4}$
$x-4$
$x+4$
$4x$
$4$
7. Multiple Choice
1 minute
1 pt
What is the inverse of the function below? $f\left(x\right)=3x-2$
$3x-2$
$2x-3$
$\frac{x+2}{3}$
$\frac{x+3}{2}$
8. Multiple Choice
1 minute
1 pt
What is the inverse of the function $\frac{x+3}{3}$
$9x$
$3x-3$
$x+1$
$3x+3$
9. Multiple Choice
1 minute
1 pt
Find the inverse

$f\left(x\right)=3x+5$
$5x-3$
$\frac{x-5}{3}$
$\frac{x-3}{5}$
$3x-5$
10. Multiple Choice
2 minutes
1 pt
Find the inverse of $f\left(x\right)=\frac{2x+3}{4}$
$\frac{4x-3}{2}$
$\frac{4}{2x+3}$
$\frac{2x-3}{-4}$
$\frac{4x+3}{2}$
11. Multiple Choice
2 minutes
1 pt
Find the inverse $f\left(x\right)=\frac{4x-6}{3}$
$\frac{3x-6}{4}$
$\frac{3x+6}{4}$
$\frac{4x+6}{-3}$
$\frac{6x-4}{3}$
12. Multiple Choice
2 minutes
1 pt
Find the inverse for $f\left(x\right)=\frac{1}{2}x-2$
$2-\frac{1}{2}x$
$2x-2$
$\frac{1}{2}x+2$
$2x+2$
13. Multiple Choice
2 minutes
1 pt
Find the inverse $f\left(x\right)=\frac{1}{4}x+5$
$-5-\frac{1}{4}x$
$4x+5$
$4x-20$
$5-4x$
14. Multiple Choice
1 minute
1 pt
What is the inverse for the function $f\left(x\right)=\sqrt{x}$ ?
$\frac{x}{2}$
$x^2$
$2x$
$-x$
15. Multiple Choice
2 minutes
1 pt
Find the inverse for $f\left(x\right)=x^2-1$
$-x+1$
$2x+1$
$\sqrt{x}+1$
$\sqrt{x+1}$
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