According to the fundamental theorem of algebra, which polynomial function has exactly 6 roots?

a. f(x)= 5x^4+10x^2

b. f(x)= 5x^5+3x^4+12x^3+7x^2-2x+15

c. f(x)= 6x^5+x^3-4x^2+x-5

d. f(x)= 7x^6+3x^3+12

The cash price of a television is $580.the hire-purchase price of the television is $865.the hire-purchase price is an initial deposit of n% of the cash price and 6 equal monthly payments of $120.find the value of n.

Need match the functions with correct transformation. f(x) = -3x f(x) = |x-1|+3 f(x) = √(x+3) 1/2x² f(x) = (x+1)²-3 4|x| 1. compress by a factor of 1/2 2. stretch by a factor of 4 3. shift to the left 3 4. shift to the left 1 5. shift up 3 6. reflection

Tell whether the two rates form a proportion