NoireDemon
NoireDemon NoireDemon
  • 26-02-2018
  • Mathematics
contestada

What is the range of the function f(x) = –2(6x) + 3?
A) (-oo,-2)
B) (-oo,3)
C) [-2,oo)
D) [3,oo

Respuesta :

Аноним Аноним
  • 26-02-2018
B is the answer to this question.....
Answer Link
isyllus
isyllus isyllus
  • 06-05-2019

Answer:

The range of the function is (-∞,3)

B is correct.

Step-by-step explanation:

Given: [tex]f(x)=-2(6)^x+3[/tex]

It is an exponential function which coefficient is negative.

Exponential function: [tex]f(x)=ab^x+c[/tex]

If a>0 then range (c,∞)

If a<0 then range (-∞,c)

[tex]-2(6)^x+3\rightarrow ab^x+c[/tex]

[tex]a=-2[/tex]

[tex]c=3[/tex]

Range: (-∞,3)

Hence, The range of the function is (-∞,3)

Answer Link

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