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When (x – 2)^2 + 7 has a minimum value, what is the value of x?

First, expand (x-2)2:

= (x-2)(x-2),

= x2 - 2x - 2x + 4

= x2 - 4x + 4

Add on the +7:

= x2 - 4x + 11

<...

TL
Answered by Tom L. Maths tutor
6264 Views

How does the electron transport chain operate during respiration?

Membrane proteins on the inner membrane of the mitochondria carry the electrons from the reduced NAD and FAD along the membrane, causing the electrons to lose energy as they move down their energy levels....

LB
Answered by Lydia B. Biology tutor
2610 Views

How do I calculate the gradient of a non linear equation at a given point?

As we know, to find a gradient in a linear function, we have to calculate the difference in the objective function (usually y) by the difference in the choice variable (commonly x), you may know this as r...

ML
Answered by Milo L. Maths tutor
4437 Views

Can I have help with integrating by parts? I am unsure on how to use the formula.

Integrating by parts is simple. Simply put the equation into two parts, U and dV/dx. When considering which part of the original function will be U and which part will take dV/dx, you should consider whic...

ML
Answered by Milo L. Maths tutor
2919 Views

Discuss the justifications for and limitations to free trade

​​​​​​Free trade refers to that which allows a country to trade competitively with another country as there are no tariffs or restrictions regarding what can be exported or imported. The main benefit of f...

IA
Answered by Izzy A. Geography tutor
8662 Views

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