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e^3x differentiates to 3e^3x as you multiply the function e^3x by the derivative of the inside function 3x. 3x differentiates to 3, so the answer is 3 multiplied by e^3x. The derivative of a natural log f...

At A level, there are 3 key elements of these source questions that must be addressed in any answer. These are: 1) content, 2) provenance and 3) tone. Discussing each one in turn: 1) The content of the so...

Answer: x=(y+7)/4
Workings:y=4x-7 add 7 to both sidesy+7=4x divide both sides by 4 to give the answer

One benefit may be that Coca-Cola can differentiate themselves from competitors. This means that customers will have a unique perception of their product compared to those of competitors like Pepsi, and c...

There is a shopping/commercial centre/mall in my town /city. On/Every Saturdays/Saturday, I like to go/going to the shops/shopping with my (girl)friend. Recently, I bought a new mobile (phone)/smartphone/...