Answer:
8.333
Step-by-step explanation:
F(x) α 1/ x
F(x) = k/x
F(x) = 25 ; x = 6
Lets use the information above to obtain the value of k
25 = k/6
k = 25 * 6 = 150
k = 150
Therefore, the value of f(x) when x = 18 will be :
Using the relation :
F(x) = k/x
k = 150, x = 18
F(x) = 150 / 18
F(x) = 8.333
