I need help with this last question please I’ll mark brainliest

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)