What is the domain of y = log Subscript 5 Baseline x

He amount of carbon-14 present in animal bones t years after the animal's death is given by p(t)equals=upper p 0 e superscript negative 0.00012097 tp0e−0.00012097t. how old is an ivory tusk that has lost 26% of its carbon-14?

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

How is this equation completed? i cannot find any examples in the book.