Which pair of functions are inverses of each other? O A. f(x) = ő + 8 and g(x) = 6x – 8
O B. f(x) = 1 - 9 and g(x) = 279
C. f(x) = 5x - 11 and g(x) =
+11
5
3
O D. f(x) = 2x and g(x) = (*)

B

so in this question B one is the answer

answer: for each 3 girls there is 2 boys . 3: 2

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the formula of a slope:

from a table we have

substitute:

the slope of f(x) is -1.

the graph of funcfion g(x) is a horizontal line. the slope of a horizontal line is equal 0. therefore the slope of g(x) is 0.

-1 < 0