Functions & Domain Review

$f\left(x\right)=5x-12$ What is $f\left(-4\right)$

• -32

• -3

• -12

• 3

Tags

CCSS.HSF.IF.A.2

 $Given\ f\left(x\right)=\frac{3}{2}x+5\ what\ is\ f\left(12\right)?$  

•  $\frac{43}{2}$  

•  $20$  

•  $23$  

•  $5$  

Tags

CCSS.HSF.IF.A.2

 $Given\ h\left(x\right)=3x^2-2x+8\ what\ is\ h\left(-1\right)?$  

• 13

• 8

• 16

• answer not here

Tags

CCSS.HSF.IF.A.2

 $Given\ f\left(x\right)=2x-10\ for\ which\ value\ of\ x\ that\ f\left(x\right)=-10?$  

• -1

• 0

• 2

• 3

Tags

CCSS.HSF.IF.A.2

Given g(x) =  $-\sqrt{x}\ +\ 5$  , 

what is g(x + h) ?

•  $-\sqrt{x+h}\ +\ 5$  

•  $\sqrt{x\ -h}\ +\ 5$  

•  $-\sqrt{x}\ -\ \sqrt{h}\ +\ 5$  

• all of these

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Given f(x) =  $\frac{3x+2}{x-1}$  , what is the domain of f(x)?

• All real numbers greater than or equal to 1

• All real numbers except 1

• x = 1

• All real numbers

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.5

Perform the indicated operation.

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• 
• 
• 

Tags

CCSS.HSF-BF.A.1B

Perform the indicated operation.

• 
• 
• 
• 

Tags

CCSS.HSF-BF.A.1B

Given f(x)= -3x+7 and g(x)=2x² - 8, find g(f(x)).

• g(f(x))= -6x²+31
• g(f(x))= -6x²+24
• g(f(x))=18x²-84x+90
• g(f(x))=9x²-42x-41

Tags

CCSS.HSF-BF.A.1C

Given f(x) = 2x and g(x) = x² + 3

find f(g(x)).

• x² + 2x + 3

• 4x² + 3

• 2x² + 3

• 2x² + 6

Tags

CCSS.HSF-BF.A.1C