Cheyenne is playing a board game. Her score was −140 at the start of her turn, and at the end of her turn her score was −360. What was the change in Cheyenne's score from the start of her turn to the end of her turn?

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.