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Find the total area enclosed between y = x^3 - x, the x axis and the lines x = 1 and x= -1 . (Why do i get 0 as an answer?)

Our first step should always be to make sure we understand what the question actually wants from us, in the case of most polynomial questions a rough sketch with any information we know is very useful. Find ...
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Answered by George B. • Maths tutor
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What is neurotransmission and how does a chemical synapses work?

Neurotransmission is the process that uses electrical or chemical signals to communicate between neurones, leading to the co-ordination of secretion, muscle contraction and organ and brain function in the bo...
Answered by • Biology tutor
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How does increasing interest rates affect inflation?

What are interest rates? Interest rates are the rate of return offered on any kind of loan or investment. In reference to monetary policy and manipulation, the interest rate refers to the rate set by the cen...
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Answered by Oscar B. • Economics tutor
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There are two stable isotopes of Bromine, Br-79, Br-81. If a sample of Br2 is fed into a mass spectrometer, how many peaks would be observed in the spectrum?

There should be five peaks. In the process of bombarding the Br2 molecule with electrons to charge it, the molecule can fragment into 2 Br atoms. We should therefore expect to see peaks at 79 and 81 m/z. The...
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Answered by Tim H. • Chemistry tutor
13870 Views

What are the 4 phases of mitosis?

Prophase, metaphase, anaphase, and telophase.
Answered by • Biology tutor
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