Operations with functions

f(n)=x²+1
g(n)=2x-5
Find f(n)-g(n)

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

Tags

CCSS.HSF-BF.A.1B

f(x) = 4x + 1 and g(x) = 4x - 3
Find f(x) * g(x)

• 16x² + 8x - 3
• 16x² - 8x + 3
• 16x² - 8x - 3
• 16x² - 16x - 3

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

Given f(x) = x² + 5 and g(x) = 2x³ - 1, find (f/g)(-3).

• -14/55
• 14/55
• 2
• -2

Tags

CCSS.HSF-BF.A.1B

f(n)=2n+1
g(n)=3n
Find f(n)+g(n)

• 5n+1
• -5n+1
• -2n+1
• -6n-1

Tags

CCSS.HSF-BF.A.1B

f(x) = 6x² + 3x + 2 and g(x) = x - 7

Find f(x) * g(x)

• 6x³ - 39x² - 19x + 14

• 6x³ - 39x² - 21x - 14

• 6x³ - 39x² - 19x - 14

• 6x³ - 45x² - 19x + 14

Tags

TEKS.MATH.2A.7B

TEKS.MATH.9-12.II.B.1

(f - g)(x)

• 5x² + 3x

• -3x² - 13x

• 3x² + 3x

• -3x² + 3x

Tags

CCSS.HSF-BF.A.1B

Given g(x) = -2x+2 and f(x) = 3x²+4, find (g+f)(-3).

• 39
• -27
• -23
• -19

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.1C

 $g\left(x\right)=3x-1\$  and  $h\left(x\right)=2x+3$  Find:  $\left(\frac{g}{h}\right)\left(2\right)$  

•  $\frac{5}{7}$  

•  $\frac{7}{5}$  

•  $\frac{29}{23}$  

•  $\frac{1}{7}$  

Tags

CCSS.HSF-BF.A.1B