Function k is a transformation of the parent exponential function f what are the domain and range of function k k(x)=-2^x

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Which rule describes the composition of transformations that maps △abc to △a”b”c