If f(c) = -x^3, g(x)= 3x^2-1, and h(x)=2x+5, what is the degree of [f*g*h](x) ? ?

Degree of the given expression will be 6.Option 4 is the correct answer.

Step-by-step explanation:

The given functions are f(x) = -x³, g(x) = 3x²-1, h(x) = 2x+5

and we have to find the value of [fogoh](x).

First we will evaluate (goh)(x) = [3(2x+5)²-1] [By putting h(x) in place of x in g(x)]

(goh)(x) = [3(4x²+25+20x)-1] = 912x²+75+60x-1 = 912x²+60x+74

Now (fogoh)(x) = -(912x²+60x+74)³

Form the expansion of this expression we will get a polynomial of 6 degree.

Therefore Option 4 is the right answer.

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