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Find the tangent to the curve y=(3/4)x^2 -4x^(1/2) +7 at x=4, expressing it in the form ax+by+c=0.

In general, the equation of a line is y-y0=m(x-x0), where m is the gradient and (x0,y0) is a point on the line. We need to find the gradient and a point on our tangent. Step 1: Find gradient. Since our ta...

EP
Answered by Eleni P. Maths tutor
3085 Views

How would you plan a 'to what extent' essay?

Firstly, take a look at the essay title and go through with a highlighter, picking out any key words you think you will need to address when writing the essay. For example, say the question was: 'The size...

RM
Answered by Romy M. Geography tutor
10303 Views

Explain the primary, secondary and tertiary structure of proteins

The primary structure of a protein is made up of a sequence of amino acids which is coded for by the organisms DNA triplets which are transcribed in the process of protein synthesis, the secondary structu...

Answered by Biology tutor
2738 Views

What is the difference between the pronouns le/la/les and lui/leur?

Pronouns are words which replace nouns. It can be tricky to understand the difference in usage between these two different types of pronouns as they can be both used to describe the same object; a person ...

RT
Answered by Rebecca T. French tutor
48450 Views

Explain the importance of fluxes in the carbon cycle (6 marks)

Fluxes are important for the carbon cycle as they keep a balance within the cycle so that their isn't an unbalance. An unbalance in the carbon cycle would lead to a lack of resources in some places due to...

Answered by Geography tutor
15150 Views

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