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Expand and simplify (x – 9)(x + 2)

x^2 - 7x - 18
JB
Answered by JOSEPH B. • Maths tutor
7448 Views

Describe the market structure for the supermarket industry in the UK. Give reasons for your answer.

The supermarket industry in the UK is typically described as oligopolistic, i.e. the market structure is that of an oligopoly. This is a situation where a few large, interdependent firms dominate. Interdepen...
JB
Answered by JOSEPH B. • Economics tutor
17817 Views

Why do we need the constant of integration?

Consider three simple functions F(x)=2x, G(x)=2x-6, H(x)=2x + π/2. We can differentiate these functions with respect to x to get F’(x)=f(x)=2, G’(x)=g(x)=2, H’(x)=h(x)=2. Clearly the derivatives of these fun...
PC
Answered by Panoraia C. • Maths tutor
3436 Views

Find the coordinates of the mid-point AB where A (-3,-3) and B (1,3)

X coordinates = (-3+1)/2 = (-2)/2 = - 1Y coordinates = (-3+3)/2 = (0) /2 = 0 Coordinates of the midpoint = (x,y) = (-1,0) If they were struggling to visualise it/to avoid simple mistakes, I would suggest qui...
EW
Answered by Edward W. • Maths tutor
3370 Views

(Critical Essay Question) Choose a play in which conflict between two characters serves as an integral feature. Discuss how the presentation of this conflict contributes to your understanding of the play as a whole.

Example used: Hamlet.[INTRO] Opening sentence should include title of drama, name of dramatist and possibly date composed, or other helpful details and information likely to be appreciated by a marker, such ...
NM
Answered by Niamh M. • English tutor
3455 Views