Mathematics, 17.12.2019 11:31, Matildagann
If f (x) = 3 x squared and g (x) = 4 x cubed + 1, what is the degree of (f circle g) (x)? if f (x) = 3 x squared and g (x) = 4 x cubed + 1, what is the degree of (f circle g) (x)?
options are
2
3
5
6
Answers: 2
, and 
, we can find the composition of functions: 
by applying the definition of composition and performing the needed algebra.
, where we use as input for the function f(x) the actual expression in terms of "x" of the function g(x):![f(g(x))=f(4x^3+1)\\f(g(x))=3(4x^3+1)^2\\f(g(x))=3\,(4x^3+1)\,(4x^3+1)\\f(g(x))=3\,[16x^6+4x^3+4x^3+1]\\f(g(x))=3\,[16x^6+8x^3+1]\\f(g(x))=48x^6+24x^3+3](/tpl/images/0422/3643/2ba26.png)
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If f (x) = 3 x squared and g (x) = 4 x cubed + 1, what is the degree of (f circle g) (x)? if f (x) =...
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