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How do I find and determine the nature of stationary points of a function?

There are 3 types of stationary points for functions: a maxima, a minima and a saddle point. They all occur when the derivative of a function, f(x), is equal to 0, e.g. f'(x)=0. Therefore in order to find th...
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Answered by Ben D. Maths tutor
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Use the Chain Rule to differentiate the following equation: y=e^(3-2x)

Chain Rule: dy/dx = dy/du x du/dxy=e 3-2x Substitute u for the power (3-2x) y = e u u = 3-2xdy/du = e u du/dx = -2dy/dx = -2e u = -2e 3-2x
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Answered by Jordan W. Maths tutor
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Find the max/min value of the function: f(x) = 5x^2 - 20x + 15

A quadratic function will either have a minimum or a maximum value depending on the shape of the function. A quadratic function with a positive value in front of the x^2 term has a U shape and therefore has ...
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Answered by Peter H. Maths tutor
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How do you integrate the equation x^2 + 4x + 3 dx? (

Integrating the equations: x 2 + 4x + 3 dx. To integrate, the method is to look each parts of the equation, e.g. the x 2 firstly. We would add 1 to the power to get x 3 . Then we would divide this by our new...
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Answered by Saba N. Maths tutor
8273 Views

Simplify √32+√18 to a*√2 where a is an integer

So firstly, we need to know what type of answer we are aiming for. The question tells us to put our answer in the format a √2 where a is an integer. As we know from previous work, an integer is a whole numbe...
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Answered by Alexander H. Maths tutor
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