Step-by-step explanation:
(2*5)*4 = 10*4 = 40
2*(5*4) = 2*20 = 40
Answer: Option C

Step-by-step explanation:
The graph shows a radical function of the form 
Where n is a positive number.
For this type of function, if the coefficient
then then when x tends to
f(x) tends to
and when x tends to
then f(x) tends to
.
Notice in the graph that as x increases then f(x) also increases and as x decreases f(x) also decreases.
This indicates that the coefficient 
Answer:
sorry but i cant answer that quiestion