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Describe the process of synaptic neurotransmission

Neurotransmission is a mechanism of propagating an electrical signal between neurons via the movement of charged particles. It is initiated when the arrival of an action potential at the axon terminal trigge...
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Answered by Betsy H. • Biology tutor
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Find f''(x), Given that f(x)=5x^3 - 6x^(4/3) + 2x - 3

In order to get from f(x) to f''(x) we need to differentiate the function f(x) with respect to x and then differentiate the resulting function with respect to x again. When differentiating f(x), split the eq...
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Answered by Alexey B. • Maths tutor
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Judy bought a car for £12,000. She bought the car 4 years ago. Each year the car depreciated by 10%. How much was is the car worth now?

First of all remember to never be intimidated by a question. Don't read a question and say "I don't know," start with what you do know. In this case we know that every year the £12,00 initial value...
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Answered by Nicolas K. • Maths tutor
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Write 1 + √3i in modulus-argument form

In order to understand this question we must define what modulus-argument form is. The modulus of a complex number is its distance from the origin (0,0) on the Argand Diagram. It is written as |z|. The argum...
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How do I conjugate the verb 'ir' in the preterite tense?

The verb 'ir' is very irregular, in the preterite tense it is conjugated as follows: yo fui tú fuiste el/ella fue nosotros fuimos vosotros fuisteis ellos/ellas fueron
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Answered by Abigail H. • Spanish tutor
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