Question

One of the solution of the equation $3\times4^x+2^{x+1}=16$ is

• A. 0
• B. 1
• C. 2
• D. -1

Answer 1

Answer:

B. 1

$3\times4^x+2^{x+1}=16$

put x =1

$3\times4^1+2^{1+1}=16$

12+4=16