Function Operations (Add/Sub/Multiply)

f(x)=x²-5x
Evaluate f(4).

• -4
• 126
• 24
• 84

Tags

CCSS.HSF.IF.A.2

Evaluate f(t)=-2t²+1 for f(-3).

• 19
  
• 37
• -17
• -11

Tags

CCSS.HSF.IF.A.2

Evaluate f(t)=-2t²+1 for f(-3).

• 19
  
• 37
• -17
• -11

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.1B

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

• 4x²+24
• 4x²+20x+24
• 4x²+12x+24
• 4x²+4x+24

Tags

CCSS.HSF-BF.A.1B

f(x) = x²+9
g(x) = x-9
Find f(x)-g(x). 

• x²+x+9
• x²-x+9
• x²-x
• x²-x+18

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.1B

When f(x) = 9 - 3x and g(x) = 5x - 7

find f(x) + g(x).

• 14x - 10

• -8x + 2

• 2x + 2

• 2x - 2

Tags

CCSS.HSF-BF.A.1B

f(x)=2x + 4

g(x)=3x² - 1

Find f(x) ⋅ g(x)

• 6x⁴ + 12x³ - 4x² - 8x

• -6x³ + 12x² + 2x - 4

• 6x³ + 12x² - 2x - 4

• 5x² - 18x + 20

Tags

CCSS.HSF-BF.A.1B

f(x)= x³ - 3x

g(x)= - 4x + 1

Find f(x) ⋅ g(x)

• -4x³ -5x² - 3

• -4x³ + 2x² - 3x

• -4x⁴ + x³ + 12x² - 3x

• -4x⁴ - x³ + 12x² + 3x

Tags

CCSS.HSF-BF.A.1B