It is always difficult to map the English description of a mathematical expression to the intended actual expression. The best descriptions are those of 1, 2, 3, 5. Descriptions 4 and 6 are apparently intentionally misleading or absurd.
It appears the appropriate selections are ...
1, 2, 3, 5
What is the rule for the linear function shown in the graph?
f(x) = 2x - 4
Find factorial 6: 6! = 6*5*4*3*2*1 = 720
The slope is 1 :)
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