Determine if the sequence below is arithmetic or geometric and determine the common difference / ratio in simplest form.
15, 10, 5, ...

this is ( a geometric /or/ an arithmetic) sequence and the ( common difference/or/ common ratio is equal to ___

Need match the functions with correct transformation. f(x) = -3x f(x) = |x-1|+3 f(x) = √(x+3) 1/2x² f(x) = (x+1)²-3 4|x| 1. compress by a factor of 1/2 2. stretch by a factor of 4 3. shift to the left 3 4. shift to the left 1 5. shift up 3 6. reflection