Answer:4
Step-by-step explanation:
2 to the power of 3x-1 when x=1
Replace x with 1 for 3(1)-1=2
2 to the power of 2 is 2*2 which equals 4
Alternatively if the question means 2 to the power of 3x minus 1
Replace x with 1 for 3(1)=3
2 to the power of 3 is 2*2*2 which equals 8
8-1=7
