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How is blood glucose concentration controlled by hormones?

The three main hormones to consider are: insulin, glucagon, and adrenaline. All three act on receptors on their target cells. Insulin results in the mobi...

Answered by Fareema F. • Biology tutor

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When analysing poetry, how do we approach a text without feeling overwhelmed?

There's no one right answer to this, but if you're stuck on a poem, a simple method of analysis and unpicking might be of help. Firstly, take a moment to read the whole poem before you begin analysing. It...

Answered by Fareema F. • English Literature tutor

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What is the cAMP cascade and where does it occur?

The cAMP cascade describes an intracellular process that occurs upon activation of glucagon and adrenaline receptors. Glucagon receptors are present mainly in the live...

Answered by Fareema F. • Biology tutor

7950 Views

f(x) = 2 / (x^2 + 2). Find g, the inverse of f.

Rewrite as y = 2 / (x^2 + 2). Swap all x and y symbols to create x = 2 / (y^2 + 2). Rearrange for y to reach y=g(x)=sqrt( (2-2x) / x ).

Answered by Alfie R. • Maths tutor

3283 Views

Given that y = 5x^3 + 7x + 3, find dy/dx

This is an example of differentiation. With differentiation the key rule that allows us to differentiate most algebraic functions is "times the coefficient by the power then decrease the power by one...

Answered by Tej T. • Maths tutor

4882 Views