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Core 3 Differentiation: If y = (3x^2 + 2x + 5)^10, find its derivative, dy/dx. Hint: Use the chain rule.

The function y = (3x 2 +2x+5) 10 is an example of a "function within a function", which means the thing in the brackets is a function itself, and it's being raised to the power of 10. This is a str...
Answered by • Maths tutor
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What is the structure of a 25 mark question and how should I go about answering it?

Structure for 25 mark question ( Technology is making it easier to enter international markets. Do you agree?) -Introduction( Define key terms in question title)-Point 1- Yes ( Increased scope of marketing, ...
Answered by • Business Studies tutor
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The equation of line 1 is: 3y-5x+3=0. The equation of line 2 is : y= 5x/3+9. Check whether the 2 lines intercept.

Rearranging the first equation: 3y=5x-3Then dividing by 3 so that the equation of the line will become in the form of y=mx+c, where m is the gradient and c is the interception point with the y-axis (0,c)We g...
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Answered by Panagiotis G. • Maths tutor
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Translate the following sentence: Manchmal gehe ich mit meinen Frenden aus, damit wir ins Kino gehen oder ansonnsten einkaufen gehen koennen.

Sometimes I go out with my friends so that we can go to the cinema or otherwise go shopping.
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Answered by Edward E. • German tutor
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Expand the brackets in the following expression and indicate what the graph would look like: y=(5x+1)(2x-3)

While this question is not in the style the examiners would ask, it demonstrates two important principles: how to expand brackets accurately and how to build intuition about the shape of graphs. Answer: y = ...
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Answered by Edward E. • Maths tutor
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