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The polynomial f(x) is define by f(x) = 3x^3 + 2x^2 - 8x + 4. Evaluate f(2).

f(x) = 3x^3 + 2x^2 - 8x + 4 f(2) = 3(2)^3 + 2(2)^2 - 8(2) + 4 f(2) = 3(8) + 2(4) - 8(2) + 4 f(2) = 24 + 8 - 16 +4 f(2) = 20
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Answered by Sophie W. • Maths tutor
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What is the difference between vertical and horizontal transmission of antibiotic resistance between bacteria?

Vertical transmission occurs during asexual reproduction. During the cell cycle, a bacterium will replicate its DNA (found in the form of a circular plasmid) which will contain the gene for antibiotic resist...
AA
Answered by Annabelle A. • Biology tutor
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What is the difference in meaning between the nominative and the accusative?

The nominative is the case (the form of the noun) used to mark the subject of the verb. That's the person or object (or anything) which is carrying out the action of the verb: the do-er. In the sentence, 'Th...
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Answered by Rachel G. • German tutor
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If y = 2/3 x^3 + x^2; a) What is dy/dx? b) Where are the turning points? c) What are the nature of the turning points?

a) By simple parametric differentiation of each term, dy/dx = 2x^2 + 2x b) The condition for a turning point is the gradient (dy/dx) at that point is zero. 0 = x(2x + 2) so either x=0 or 2x+2=0. Therefore th...
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Answered by Annabel F. • Maths tutor
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Identify which of the courts are courts of first instance, and which are appeal courts.

Courts of first instance are where trials are first held. The court that will be used will depend on the seriousness of the offence. The courts of first instance include the Magistrates’ Courts and the Crown...
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Answered by Carissa S. • Law tutor
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