F(4) is equivalent to 28 because when you plug in 4 for the x, you get 28.
Answer:
Step-by-step explanation:
Let be 
, the range of the function corresponds to the set of values of 
. The sine function is a bounded function between -1 and 1. Hence, the range of the function is:
The boundary line should be solid because it have a 'great/less than or equal to' sign
