Please help I think it is b I need a second opinion!! (Question and answer choices are attached)

my second opinion would be you are correct, its b

x is variable or an unknown value to find

example:

2x = 5 which means x = 3

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