The three figures below define a function with the figure number as the independent value and the number of toothpicks required to construct each figure as the dependent value.

If the domain is {1, 2, 3, 4, ...}, which of the following represents the range of the function?

Three times the sum of a number and seven is negative thirty-six. what is the number?

Talia took the bus from her home to the bank and then walked back to her home along the same route. the bus traveled at an average speed of 40 km/h and she walked at an average speed of 5 km/h. to determine the time, x, that it took talia to walk home, she used the equation 40(0.9 – x) = 5x. the time of trip 2 is hours. the distance of trip 1 is km.

What is the domain of the step function f(x)=[2x]-1?