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If f(x)=x^2 and g(x)=5x-11, then what is fgg(x) when x=3?

g(3)=5(3)-11=15-11=4gg(3)=g(4)=5(4)-11= 20-11=9fgg(3)=f(9)=9²=81fgg(3...

Answered by Simon M. • Maths tutor

4274 Views

Express (x+1)/2x + (2x+3)/(x+1) as one term
(x+1)²+ 2x(2x+3) / 2x(x+1)

AR
Answered by Alex R. • Maths tutor
4007 Views

A uniform ladder of mass 5 kg sits upon a smooth wall and atop a rough floor. The floor and wall are perpendicular. Draw a free body diagram for the ladder (you do not need to calculate any forces).
Diagram should include two orthogonal lines, representing the wall and floor. Connecting them should be a diaganol line (the ladder)
At the midpoint of the line should be a vertical downward...
DG
Answered by Dean G. • Maths tutor
3464 Views

How do you integrate ?
In order to integrate an algebraic term, such as 8x³ + 4, one must first take the power of the first term and increase this by 1, getting 8x⁴. Secondly
LH
Answered by Louie H. • Maths tutor
3656 Views
Explain the chain rule of differentiation
The chain rule can be used to find more complex derivatives.For example, in the case of: y = (5x + 2)⁵To find the derivative in the ordinary fashion, one would need to expand the brackets to:y=...
TH
Answered by Toby H. • Maths tutor
4299 Views
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Top answers

If f(x)=x^2 and g(x)=5x-11, then what is fgg(x) when x=3?

Express (x+1)/2x + (2x+3)/(x+1) as one term

A uniform ladder of mass 5 kg sits upon a smooth wall and atop a rough floor. The floor and wall are perpendicular. Draw a free body diagram for the ladder (you do not need to calculate any forces).

How do you integrate ?

Explain the chain rule of differentiation

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