What is the domain of the step function f(x) = [2x] – 1? 10 {x{ x=-1}{xx 1}{x|x is an integer}{x{ x is a real number}

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

Given f(x)=2x^2-8x+6 and g(x)=3x-1 find f(x) +g(x) a. 2x^2+5x+5 b.2x^2-11x+7 c. 2x^2-5x+5 d.2x^2-5x-5

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?