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How do changes to the coefficient of x affect the graph y = f(x) as opposed to changes to the coefficient of f(x)?

If you change the coefficient of x, it will stretch or squash the graph in the x direction by the reciprocal of the factor that the coefficient is changed by. If you change the coefficient of f(x), then the ...
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Answered by Jesper B. • Maths tutor
9700 Views

Outline and explain two factors that affect the achievement of middle-class pupils in education (10 marks)

One factor is that middle-class parents have more disposable income to spend on educational books and toys from a young age, meaning they can develop cognitive patterns more suited to educational success. Fe...
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Answered by Martha G. • Sociology tutor
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What is a longitudinal study and what are the advantages of using it in research?

Longitudinal studies (sometimes called prospective studies) follow the same group of individuals over time, typically months or years. Longitudinal studies are employed to investigate a wide range of issues,...
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Answered by Alice B. • Psychology tutor
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Harold Bloom describes Iago's character as a "moral pyromaniac setting fire to all of reality", based on Shakespeare's presentation of Iago's character in "Othello". To what extend do you agree with Bloom's view?

Ken Jacobsens description of Iago’s “machiavellian moments” in Othello accurately describe his characteristic tendencies to “interpersonal manipulation” and “indifference to morality” in the play, challengin...
IK
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Find the gradient of the curve with the equation y = x^3+7x^2+1 at x=2

The equation of the line is y=x 3 +7x 2 +1To find the equation for the gradient of the line, we need to differentiateDifferentiating gives us dy/dx = 3x 2 +14xWe can now find the gradient of the curve at any...
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Answered by Charlotte R. • Maths tutor
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