Add, Subtract, Multiply, Evaluate Functions

f(x)=x²-5x
Evaluate f(4).

• -4
• 126
• 24
• 84

Evaluate f(t)=-2t²+1 for f(-3).

• 19
  
• 37
• -17
• -11

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

f(x) = 5x + 3
Find f(4x).

• 23x
• 20x + 3
• 4x + 3
• 9x + 3

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

Tags

CCSS.HSA.APR.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

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

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

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.HSA.APR.A.1

CCSS.HSA.SSE.A.2

h(x) = 2x² - x + 1
g(x) = 3x
Find (h*g)(x).

• 5x³ + 2x² + 3x
• 2x² + 2x + 1
• 6x³ - 3x² + 3x
• 6x³ - 1

Tags

CCSS.HSA.APR.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.HSA.APR.A.1

g(x) = x² + x - 2
Find g(x - 3)

• g(x - 3) = x² - 5x + 4
• g(x - 3) = x² - 7x - 14
• g(x - 3) = x² + x + 4
• g(x - 3) = x² - 6x + 10

Tags

CCSS.HSF.IF.A.2