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aaaa

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def derivabilidad:
f es derivable en a ↔ ∃ y es finito lim x→a f(x)-f(a)
                                                                      x-a
relacion entre derivabilidad y continuidad:
H) f es derivable en a    T) f es continua en a
Por H) f es deriv en a ↔ ∃ f'(a)∈R/f'(a)=lim x→a f(x)-f(a)
                ±f(a)          def                                       x-a
lim x→a f(x)→lim x→a f(x)=lim x→a[f(x)-f(a)+f(a)]
→lim x→a f(x)=lim x→a[f(x)-f(a) .(x-a)+f(a)]
                                        x-a       =0
→lim x→a f(x)=lim x→a f'(x)=f'(a).0+f(a)=0+f(a)=f(a)
→lim x→a f(x)=f(a)↔f es continua en a
         
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Marketinh international

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CHAPTER 13

1.Which of the following represents the shift of Power in the marketplace? From A sellers' to a customers' market2. Which are the two dimensions of quality? market-perceived quality and performance quality3._____ is a term used to identify concern with the Environmental consequences of a variety of marketing activities? Green marketing4.As part of the "green marketing" movement, the European Commission has passed legislation to control all kinds of packaging Waste throughout the European Union. Two critical issues that affect product Development are the control of the packaging component of solid waste and _____? consumer demand for environmentally friendly Products5._____ is the process by which innovation spreads. Diffusion6.According

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Pres/pas simple y cont

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past.simple: v inf - v inf mas s. Pregun do/does v.Inf always-usually-often-sometimes-hardly ever-never; now-at the moment-at the weekend-every day-twice a week-this year dura menos
past.Cont.: is/are mas -ing  dura mas was/were: pre. Simple: - didn't did pres.Con. Was/were -ing  pre.S vs pre.C. Was/were -ing (pc) v.Innf (ps) when-past s while-past c   comparat,: 1 silaba:mas er 2 silabas: more -y: i mas er   superlat. 1 silaba: the mas est 2 silabas: the most -y: i mas est     
present perfec. Have/has -ed  for:durante  since: desde too:demasiado enough:lo bastante pren.Per.(lleva ocurriendo) (ever:siempre never:nunca) past s:(momento exacto) (a few.Contable a little:incontable many:contable much:incontable) will/won't    we
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Aunque a pesar de

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apoderarse: take over : de ult gener: cutting edge anticuado:out of date difundir rapido: go viral facil de usar: user-friendly 24 h: round the clock



Mientras: When, As, While, Whereas Just as
En cuanto: As soon as
Antes: Before
Después: After
Hasta: Until,Till
Aunque: Although, Even Though,Though
A pesar de: In spite of, Despite...Que+ the fact that
Sin embargo: However
Debido: Because of
Así que: And so
Como resultado: As a result
Por lo tanto: Therefore
Tan...Que: So...That, Such that
Para: To, In order (not) to, so as (not) to, for
Para que: So that
En caso: In case
Donde: Where, Wherever
Como si: As if, As though
Similar: Like
Además: Besides, Furthermore, In addition, Moreover, Similarly, Else
Así como: As well as
También: Also, Too