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If f(x)=8x-3, what is the inverse function?

To obtain the inverse fucntion basically all we have to do is re-arrange the equation and the do a small trick of swaping x and f(x), which can be done either at the start or at the end. Assuming we leavce i...
TA
Answered by Teresa A. • Maths tutor
12928 Views

Factorise and solve x^2 + 3x - 4 = 0

To factorise this equation, we must find two numbers that add together to make 3 and multiply to make -4 . These numbers must be -3 and -1 . We would then rewrite the equation as (x-3)(x-1)=0. To solve this ...
DJ
Answered by Dylan J. • Maths tutor
12224 Views

What are the most irregular past participles?

Lots of verbs which are irregular when in the past participle can still be grouped together to make them easier to learn! Here are a few of the most common irregular past participles. Remember! A past partic...
LV
Answered by Laura V. • French tutor
5253 Views

What is the difference between the definite article and the indefinite article in Italian?

Reflexive verbs are verbs that are used when the subject of the sentence performs an action on itself. For example, I wash myself or I enjoy myself.In Italian, the reflexive verbs are easily recognizable in ...
ES
Answered by Emily S. • Italian tutor
4548 Views

What are the prepositions in Italian?

The most common prepositions in Italian are:A = at (to, in)Example: Vado a scuolaTranslation: I go to schoolDa = fromExample: Sono da InghilterraTranslation: I am from EnglandDi = of, byExample: Un piatto di...
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Answered by Emily S. • Italian tutor
3615 Views