Function Operations Quiz

• 39
• -27
• -23
• -19

f(x) = 6x-8
g(x) = -3x+2
Find f(x)-g(x). 

• 9x-6
• 9x-10
• 3x-6
• 3x+6

f(x) = 3x + 10
g(x) = x - 2
Find f(g(0))

• 16
• 4
• -4
• None of these.

f(x) = 3x + 10
g(x) = x - 2
Find f(g(5))

f(x) = -6x⁷ - 2x³ + 5x²

g(x) = 2x⁷ + 3x²

Find (f + g)(x).

• -4x¹⁴ + x⁵ + 5x²

• -4x⁷ - 2x³ + 8x²

• -4x¹⁴ - 2x³ + 8x⁴

• -4x⁷ + 8x⁴

f(x) = 3x² - 4x + 5

g(x) = 5x - 1

Find (f ⋅ g)(x).

• 15x³ - 23x² + 29x - 5

• 15x³ - 4x - 5

• 15x³ + 4x + 5

• 15x³ + 23x² - 29x - 5

f(x) = x² - 5x - 8

g(x) = 4x² - x + 3

Find (f + g)(x).

• 5x⁴ - 6x² - 5

• 4x² + 5x + 5

• 4x² + 5x - 5

• 5x² - 6x - 5

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 and evaluate for the given value.