ali48
ali48
16-07-2017
Mathematics
contestada
F(x) =x^2+6x and g(x)=7-x find (f-g)(x) and (f-g)(9)
Respuesta :
Nick911
Nick911
16-07-2017
f(x)=x²+6x
g(x)=7-x
(f-g)(x) means that f(x)-g(x), so
f(x)-g(x)
=x²+6x-7+x
Combining like terms
x²+6x+x-7
=x²+7x-7, so (f-g)(x)=x²+7x-7
Next,
(f-g)(x)
=x²+7x-7
(f-g)(9)
=(9)²+7(9)-7
=81+63-7
=144-7
=137, so (f-g)(9)=137. Hope it help!
Answer Link
VER TODAS LAS RESPUESTAS ( 38+ )
ACCESS MORE
ACCESS MORE
ACCESS MORE
ACCESS MORE
Otras preguntas
Animal species that are threatened by extinction are primarily in the phylum ________.
mark and carlos started saving money at the same time. Mark saved 1.20 daily and Carlos saved 0.30 more than Mark each day. How much did Mark save if Carlos sav
Evaluate 0.3y + y/z =10 and z =5
Read the passage below and answer the question. On Juliet smile the autumn stars And windswept plains by Winchelsea, In summer on their sandy bars Her rivers lo
please completely factor 12x^3y^3--24x^2y^3 Show work as well! 20 POINTS!
Click o the first 4 multiples of 8.
In which type of long-term memory would you find little albert's memory of being classically conditioned to fear a rat? a. declarative b. implicit c. semantic d
The electrolyte of the following is: A: KCl. B: Mg(NO3)2. C: NH4OH. D: all of the above
According to robert merton, an innovator is an individual who has
Which of woodrow wilson's proposals was included in the treaty of versailles answer?
