Given the following signal, x(t). Transform x(t) by writing a new function such that it meets the following three requirements:
a. It is causal
b. It is reversed in time
c. It lasts for ½ the original length

Which of the following if statements uses a boolean condition to test: "if the item is on sale, you can buy it"? a: if( onsale < = "yes" ): b: if( onsale > = "yes" ): c: if( onsale == "yes" ): d: if( onsale ! = "yes" ):