Function Operations

f(x)=x²+1
g(x)=2x-5
Find f(x)-g(x)

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

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

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

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

g(n)=4n-4
f(n)=n³+4
Find (g+f)(n)

• -2n²-n+9
• -n³-4n
• -3n³-3n-5
• n³+4n

Tags

CCSS.HSF-BF.A.1B

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

• -7x + 1
• 5x +1
• -5x -1
• 5x + 1

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

g(n)=4n-4
f(n)=n³+4
Find (g+f)(n)

• -2n²-n+9
• -n³-4n
• -3n³-3n-5
• n³+4n

Tags

CCSS.HSF-BF.A.1B

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

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

Tags

CCSS.HSF-BF.A.1B

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

• x² + 2x + 8

• 2x² - 15

• 2x³ - 6

• x² + 2x - 6

Tags

CCSS.HSF-BF.A.1B