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The graph above shows the line y = 3*x^2. Find the area beneath the graph from y = 0 to y = 5.

The area can be found using a definite integral.
Integral from 0 to 5 of [3x²] = [x]⁵₀= 5 - 0 = 5

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When should I use the subjunctive?

The subjunctive is not a tense, but a mood.This means it can be applied to (or used) in different tenses.There are specific phrases which are followed by the subjunctive, however there are also certain ci...

Answered by Emma C. • French tutor

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What is the purpose of RAM in a computer?

RAM (Random Access Memory) is a form of memory which is used to save data about programs that are currently open. RAM is much faster than a HDD or SSD, and so the CPU has to spend less time in the "f...

Answered by Jack G. • Computing tutor

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Solve the simultaneous equations : x^2 + y^2 = 13 and x = y - 5 .

Below is the solution to the aforementioned question. In order to solve a simultaneous equation, one has to write one of the unkown variables in terms of the other. In this case, x was already written in ...

Answered by Sebastian G. • Maths tutor

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a) A line passes through (0,9) and (3,12) write down the equation of this line . b) A line perpendicular to the line in part a passes through the point (3,14) write the equation of this line.)

a) The gradient of a line is given by the equation (change in y)/(change in x). Therefore to find the gradient of the line in part a we must do (12-9)/(3-0) = 1. Now we have the gradient we can use the fo...

Answered by Rohil P. • Maths tutor

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