Function Operations

 $Given\ f\left(x\right)\ =\ 3x\ +\ 2\ and\ g\left(x\right)\ =\ 2x\ +\ 4,\ find\ f\left(x\right)\ \cdot\ g\left(x\right)$ 

• 6x² + 16x + 8

• 5x² +11x + 6

• 5x² + 16x + 6

• 6x² + 11x + 8

Tags

CCSS.HSF-BF.A.1B

 $Given\ f\left(x\right)\ =\ x\ -\ 9\ and\ g\left(x\right)\ =\ x\ -\ 7,\ find\ f\ \cdot\ g.$  

• x² - 2x - 63

• x² - 16x - 63

• x² - 2x + 63

• x² - 16x + 63

Tags

CCSS.HSF-BF.A.1B

 $Given\ f\left(x\right)\ =\ 2x\ +3\ and\ g\left(x\right)\ =\ 2x\ -3,\ \ find\ f\cdot g.$   

• 4x² - 9 

• 4x² + 9

• 4x²- 12x - 9

• 4x² + 12x - 9

Tags

CCSS.HSF-BF.A.1B

 $Given\ f\left(x\right)\ =\ 4x\ +\ 8\ and\ g\left(x\right)\ =\ x\ +3,\ find\ \left(f\ \cdot\ g\right)\left(x\right).$  

• 4x²+24

• 4x²+20x+24

• 4x²+12x+24

• 4x²+4x+24

Tags

CCSS.HSF-BF.A.1C

 $Given\ f\left(x\right)\ =\ x\ +\ 5\ and\ g\left(x\right)\ =\ x\ -\ 4,\ find\ f\left(x\right)\cdot g\left(x\right).$  

• x² + 9x + 20

• x² + 9x - 20

• x² + 1x - 20

• x² - 1x - 20

Tags

CCSS.HSF-BF.A.1B

 $Given\ f\left(x\right)\ =\ 3x\ -1\ and\ g\left(x\right)\ =\ x\ +\ 5,\ find\ f\left(x\right)\ \cdot\ g\left(x\right).$  

• 3x² + 4x + 5

• 3x² + 4x - 5

• 3x² + 14x + 5

• 3x² + 14x - 5

Tags

CCSS.HSF-BF.A.1B

 $Given\ f\left(x\right)\ =\ 9\ -\ 3x\ and\ g\left(x\right)\ =\ 5x\ -\ 7,\ find\ f\ +\ g.$  

• 14x - 10

• -8x + 2

• 2x + 2

• 2x - 2

Tags

CCSS.HSF-BF.A.1B

 $Given\ f\left(x\right)\ =\ x^2\ +\ 1\ and\ g\left(x\right)\ =\ 2x\ -\ 5,\ find\ f\left(x\right)\ -\ g\left(x\right).$ 

• x² - 2x + 6

• -x² + 2x + 4

• -x² - 2x - 6

• x² - 2x - 4

Tags

CCSS.HSF-BF.A.1B

Given
f(x) = 3x² + 7x and g(x) = 2x² - x - 1, find (f + g)(x).

• 11x² - 1
• 5x⁴ + 6x² - 1
• 5x² + 6x - 1
• 5x² + 8x - 1

Tags

CCSS.HSF-BF.A.1C

 $f\left(n\right)\ =\ 2n\ +1\ and\ g\left(n\right)\ =\ 3n,\ find\ f\ +\ g.$  

• 5n+1

• -5n+1

• -2n+1

• -6n-1

Tags

CCSS.HSF-BF.A.1B