Which of the following obtains data from a subset of a population to evaluate traits of the population? A census

An experiment

An observational study

A sample survey

A cross-sectional survey

which  best  describes the transformation from the graph of  f(x) =  x2  to the graph of  f(x) = (x  – 3)2  – 1?   left 3 units, down 1 unitleft 3 units, up 1 unitright 3 units, down 1 unit  right 3 units, up 1 unit

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?