Top answers

What makes directly addressing your audience an effective persuasive technique?

By using direct address, like a personal pronoun or an imperative, the writer creates the illusion of a relationship with the reader. This synthetic personalisation makes the author more likeable, and theref...
JK
36251 Views

How can I integrate e^x sin(x)?

This integral is a particularly difficult integral that has shown up in STEP questions before. It's not hard because of how difficult the actual calculations are, but more because of how hard it is to spot t...
LH
Answered by Lawrence H. • STEP tutor
3950 Views

How could I sketch a graph of y=2x^3-3x^2?

To sketch a graph of an equation, there are several key features to consider. Firstly, we can consider where the graph crosses the x- and y-axes. When x=0, y=0, so the graph goes through the origin. If y=0, ...
LH
Answered by Lawrence H. • Maths tutor
13195 Views

Let f(x)=x^2-ax+a-1 and g(x)=x-5. The graphs of f and g intersect at one distinct point. Find the possible values of a.

If the two graphs intersect, it means that they will share the same y and x coordinates at one particular point. (I will draw diagram to show point). Therefore, you can set f(x)=g(x) so that x^2 -ax +a -1 = ...
AO
Answered by Andres O. • Maths tutor
8161 Views

What is the difference between 'ser' and 'estar'?

As with 'por' vs 'para, understanding how to use the verbs 'ser' and 'estar' can be tricky when learning Spanish, given both verbs translate as 'to be' in English. As a general rule, 'ser' is used to describ...
EE
Answered by Emily E. • Spanish tutor
3268 Views