Find the average rate of change

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

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

Which of the following circles have their centers in the third quadrant? check all that apply.