Answer:
Y = -2x and Y = |-2x| correct me
The answer is A. You add the extra 10 feet to however high the bird flew from there
The slope-intercept is most usefull
To write a number in scientific notation put the decimal after the first digit and drop the zeros and to find the exponent count the number of places from the decimal to the end of the number to express 3,500 use 3.5 x 10 ^ 3 or 3.5E03