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What is the gradient of the graph y = 3x^2 + 5x + 2, when x is 4?

To find the gradient of the graph, we need to differentiate the equation. So if y = x n ==> the derivative dy/dx = nx n-1 This means that dy/dx = 6x + 5 for this equation So the gradient (dy/dx) when x = ...
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Answered by Rishabh H. • Maths tutor
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Janice has cystic fibrosis. Cystic fibrosis is caused by a recessive allele (f). What is the probability of her baby having cystic fibrosis? The baby’s father is heterozygous for cystic fibrosis.

Answer = 50% chance of developing cystic fibrosis
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Answered by Vishal P. • Biology tutor
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translate into english the following sentence: Caesar, acceptis litteris, proficisci constituit

Caesar, after the letters had been received, decided to set out
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Answered by Hermione B. • Latin tutor
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translate into english the following sentence: censit ne cui civium noceret, sed ut toti rei publicae consuleret

He resolved to avoid injuring anyone of his subjects, but to consult the good of the whole nation
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Answered by Hermione B. • Latin tutor
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How to plot quadratic functions, e.g. F(x)= x^2 + 2x +1

What we require to plot this graph are the following: the general shape of the graph, the intercepts with the x and y axes and the maximum point/minimum point. All functions with x 2 as the highest order are...
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Answered by Alexandra S. • Maths tutor
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