Given f(x)=x^3−3x+4, find f(x+2)−f(2) (a) x^2−3x+4 (d) x^2−x−4 (b) x^2+x (c) None of these

Marvin Mccormick

Marvin Mccormick

Answered question

2020-11-10

Given f(x)=x33x+4, find f(x+2)−f(2)
(a) x23x+4
(d) x2x4
(b) x2+x
(c) None of these

Answer & Explanation

gwibdaithq

gwibdaithq

Skilled2020-11-11Added 84 answers

Given that f(x)=x33x+4. Therefore

f(x+2)f(2)=(x+2)3+3(x+2)+4(2332+4)

=(x3+6x+12x+8)3(x+2)+4(86+4)

=x3+6x2+12x+83x6+46

=x3+6x2+9x
None of these.

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