HELP PLEASE WILL MARK BRAINLIEST Consider the following function:
f(x) = -x +9.
Place the steps for finding f^-1(x) in the correct order.
Drag the tiles to the correct boxes. Not all tiles will be used.
TILES ARE IN THE PICTURE

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false

Determine if the solution set for the system of equations shown is the empty set, contains one point or is infinite. x + y = 5 x + y = 7 {} 1 solution infinite

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