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Find the perpendicular bisector passing through the stationary point of the curve y=x^2+2x-7.

First thing to do is to find the stationary point of the curve. This is done by differentiating the function and then equating to zero, as the gradient of the stationary point is zero. Setting dy/dx to zero ...
CM
Answered by Chris M. • Maths tutor
3561 Views

What is the difference between a merit good and a public good?

A merit good is a good which has positive externalites and therefore people do not consume enough of them. For example, vaccinations. A public good has two characterisitics, it is non-rival: this means that ...
ED
Answered by Ella D. • Economics tutor
8492 Views

French oral examination question: Pourquoi est-ce que vous avez choisi d'étudier le français?

To address this question, you should state why you have decided to study French. Quels sont vos motivations, par exemple? La culture? La langue? Le pays? Est-ce que vous avez déjà visité la France? Why do yo...
HC
Answered by Hannah C. • French tutor
5054 Views

List four pull factors that attract people to urban areas in Low Income Countries.

Population from low-income countries tends to migrate to high-income countries because of different factors: -They offer a better lifestyle. -They offer better studies also, it is where you can easily seek h...
MH
Answered by Marie H. • Geography tutor
9255 Views

A white substance is placed on the table in front of you, explain what methods/techniques you could use to determine what compound the substance is

Melting point, NMR, Mass spectrometry, IR spectroscopy
GI
Answered by Gavin I. • Chemistry tutor
2957 Views