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Formulas needed: Perimeter of rectangle = 2*(base + height) Area of rectangle = base * height. Using the information given we need to define the perimeter of A and B algebraically. Rectangle A: base = 2x...

Use the chain rule to do this. First set u= x^2 + 1. We chose u to be this because u^1/3 is much simpler to differentiate. Then find du/dx = 2x. Now find dy/du = 1/3 * u^-2/3 = 1/3 * (...

The perfect tense is a way to talk about what has happened in the past. It is a way of expressing something that happens in the past generally, it's something you have done, probably many times and are li...

When comparing two texts there are a few things to consider:Form (what is it? what type of text? It could be: an article, blog, letter etc)Purpose (what is the author trying to do with the text? inform, p...

The action potential arrives at the synaptic knob of the presynaptic neurone. The action potential stimulates the opening of voltage-gated calcium ion channels in the presynaptic neurone, allowing calcium...