Add, Subtract, Multiply and Divide Functions

If f(x)=x+3 and 
g(x)=x-2
Find g(x)/f(x)

• (x+3)/(x-2), x cannot equal 2

• (x-2)/(x+3), x cannot equal -3

• -2/3

• 3/2

If f(x)=x³-3x and
g(x)=-4x+1
Find f(x)*g(x)

• -4x³-5x²-3

• -4x³+2x²-3x

• -4x⁴+x³+12x²-3x

• -4x^4-x³+12x²⁺3x

If f(x) = x²+9 and
g(x) = x-9,
find f(x)/g(x). 

• x

• x² - x

• (x - 9)/(x² + 9)

• (x² + 9)/(x - 9)

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

• -14/55

• 14/55

• 2

• -2

• A

• B

• C

• D

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

• 5n+1

• -5n+1

• -2n+1

• -6n-1

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

If a(x) = (4n⁴ - 8n + 4) and b(x) = (8n² + 4n⁴ + 1)

Find a(x) - b(x)

• -8n² - 8n + 3

• -7n² - 8n + 3

• -6n² - 8n + 3

• -7n² - 4n + 3

If f(x)= (4x - 2x³) and g(x) =(5x³ - 4x + 5)

Find f(x)+g(x)

• 3x³ + 5

• 3x³ + 8x + 5

• 3x² + 5

• 7x³ + 8x + 5

If h(b) = (6b³ + 6 - b⁴) and g(b)= (8b³ - 6b⁴ + 2)

Find h(b)-g(b)

• 4b⁴ - 2b³ + 7

• 5b⁴ - 2b³ + 4

• b⁴ - 2b³ + 7

• 5b⁴ - 2b³ + 7