Adding Linear Functions

Given g(x) = 2x  and h(x) = −4x ² + 6x + 3
 
Find g(x) + h(x)

• -2x² + 6x + 3
• -4x² + 8x + 3
• 2x - 4x² +6x +3
• 10x² + 2x +3

Tags

CCSS.HSF-BF.A.1B

Given g(x) = 4x + 5 and h(x) = −3x² − 3x
Find g(x) + h(x)

• 4x + 5
• 10x - 5
• 4x + 5 - 3x² - 3x
• -3x² + x + 5

Given g(x) = x² + 5x + 6 and h(x) = 2x + 4
Find g(x) + h(x) 

• 8x² + 10
• x² + 5x + 6 + 2x + 4
• x² + 7x + 10
• 6x² + 2x + 10

Given  f(x) = 8x + 13 and g(x) = x² - 5x
Find f(x) + g(x)

• x² + 3x + 13
• 12x + 13
• 9x² - 5x + 13
• 8x +13 + x² - 5x

Tags

CCSS.HSF-BF.A.1B

Given f(x) = 2x² + 4x - 6 and g(x) = 2x - 2
Find f(x) + g(x)

• 6x² + 2x - 8
• 2x² + 6x - 8
• 8x² - 8
• 2x² + 4x - 6 + 2x - 2