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Final Exam Problems 11-21, 40

Authored by Terrynn Meyer

Mathematics

9th - 12th Grade

Used 2+ times

Final Exam Problems 11-21, 40
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11 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 12x5\sqrt{12x^5}  
Simplify

 2x23x2x^2\sqrt{3x}  

 2x3x2x\sqrt{3x}  

 4x23x4x^2\sqrt{3x}  

 4x3x4x\sqrt{3x}  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the inverse of the function f(x)=3x+9

f1(x)=3x9f^{-1}\left(x\right)=3x-9

f1(x)=13x9f^{-1}\left(x\right)=\frac{1}{3}x-9

f1(x)=13x3f^{-1}\left(x\right)=\frac{1}{3}x-3

f1(x)=13y9f^{-1}\left(x\right)=\frac{1}{3}y-9

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 2x2+6=102x^2+6=-10  
Solve the equation.

 x=±2i2x=\pm2i\sqrt{2}  

 x=±8x=\pm\sqrt{8}  

 x=±22x=\pm2\sqrt{2}  

 x=±2ix=\pm2i  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If f(x)=2x-3 and g(x)=-x-8, what is g(x)-f(x)?

-3x-11

3x+5

-x-5

-3x+5

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If f(x)=x+1 and g(x)=x2, what is g(f(x))?

x2+1

x2+2x+1

(x+1)(x-1)

2x+2

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

State the asymptote of f(x)=2x.

y=0

y=2

x=0

x=2

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Stat the y-intercept of the function.

y=ex - 5

-5

-4

e

e+5

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