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What is the domain and what is the range

The domain is a set of all possible values for variables that are input in to a function.

The range of a funciton is a set of values that may be the output of a funciton.

For one to one fun...

Answered by Tom H. • Maths tutor

11616 Views

What is a limit

a limit is concerned with how a funciton behaves very close to a certain point.

it is written simply as limf(x) = A, x>a

this means as x approaches a, f(x) equals A

Answered by Tom H. • Maths tutor

3231 Views

How does the exchange rate mechanism affect aggregate demand in the UK?

The exchange rate is defined as the value of one currency against another. Aggregate demand (AD) comprises of consumption, government spending, investment and exports minus imports.

A fall in the ...

Answered by Tom H. • Economics tutor

24469 Views

What are the oxidation numbers of each element in these examples: a) H2SO4 b) N2 c) NH4+

a) H₂SO₄ANSWER: H: +1 S: +6 O: -2 b) N₂ANSWER: N: 0 (all elements not within a compound have an oxidation number of 0 eg I₂, O₂, K) c) NH₄

Answered by Georgia B. • Chemistry tutor

2116 Views

How to write a 'One effect question?'

GSCE examiners want to see a progression of thought and evidence of argument within these questions. Therefore the best way to tackle this would be to use connective words such as 'the fact that'.......'m...

Answered by Marius P. • History tutor

2038 Views