Operations and Functions

f(x)=2x + 4 g(x)=3x^2 - 1 Find f(x) ⋅ g(x)

• 6x^4 + 12x^3 - 4x^2 - 8x

• -6x^3 + 12x^2 + 2x - 4

• 6x^3 + 12x^2 - 2x - 4

• 5x^2 - 18x + 20

f(x) = 4x + 8 g(x) = x + 3, Find f(x) ⋅ g(x)

• 4x² + 24

• 4x² + 20x + 24

• 4x² + 12x + 24

• 4x² + 4x + 24

Given f(x) = -x + 4 and g(x) = 6x + 3, find (f(x) - g(x))

• -7x + 1

• 5x +1

• -5x -1

• 5x + 1

f(n)= 2n + 1

g(n)= 3n

Find f(n) + g(n)

• 5n + 1

• -5n + 1

• -2n + 1

• -6n - 1

f(n)= n² + 4n
g(n)= - n - 5
Find f(n) + g(n)

• n² + 3n - 5

• -n³ + 2n - 7

• n³ + 3n - 3n

• n² - 3n - 5

f(x)= 2x+6
g(x)= -3x+2
Find f(x)-g(x)

• 5x+8

• -x+8

• x+4

• 5x+4

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

Perform the indicated operation.

• 
• 
• 
• 

Complete the operation and evaluate.

• 
• 
• 
• 

Perform the indicated operation and evaluate at the given value.

• 
• 
• 
•