Answer:
24.99
Step-by-step explanation:
25.9-6.91=24.99
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4 :)
A, 16x^9
You apply the function f to x, then apply the function f to that.
f(x)=2x^3
f(f(x))=f(2x^3)=2(2x^3)^3 = 2*2^3*(x^3)^3 = 2*8*x^(3*3)=16x^9