Which of the following describes the translation of the graph of y = x 2 to obtain the graph of y = -x 2 - 3? reflect over the x-axis and shift left 3
reflect over the x-axis and shift down 3
reflect over the y-axis and shift down 3

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3

Find the domain and range of the following function f(x) = 51x - 21+ 4

Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect