Let f(x)=x^2+x+1.
(a) Find f(2) f(x) + f(1).
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Answer:
a. y=7(x+0.5)^2+8.25
b. y=4(x+0.75)^2+0.75
c. the equation simplified is just f
d. f(f(x))=x^4+2x^3+4^2+3x+3
Hope tis helps