Show Algebraically That F and G Are Inverse Functions $g ( x ) = \frac { x - 9 } { 9 }$

question 66

Essay

Show algebraically that f and g are inverse functions.
f(x) = 9x + 9 $g ( x ) = \frac { x - 9 } { 9 }$

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Definitions:

Mean Score

This refers to the average result obtained by dividing the total sum of all scores by the number of scores in a dataset.

IQ Tests

Standardized tests designed to measure human intelligence and cognitive abilities compared to the population.

Mean Score

An average score calculated by adding up all the scores of a group and then dividing by the number of scores.

IQ Tests

Standardized assessments designed to measure human intelligence and cognitive abilities in relation to an average score, usually with a mean of 100.