soverlan soverlan

20-08-2020
Mathematics

contestada

What does 3ˣ + 4·3ˣ⁺¹ =
a. 13·3ˣ⁺¹
b. 5·3ˣ⁺¹
c. 5·3²ˣ⁺¹
d. 13·3ˣ

Respuesta :

christiantwhitfield christiantwhitfield

22-08-2020

Answer:

D. 13*3^x

Step-by-step explanation:

[tex]3^x +4*3^x^+^1= \\3^x+4*3(3^x)=\\3^x(1+[4*3])=\\3^x(1+12)=\\3^x(13)=\\13*3^x[/tex]

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