Answer:
speaker : the valedictorian
message : a recap of challenges successfully faced
in high school
purpose : to congratulate and encourage students
audience : the graduating class and their guests
Step-by-step explanation:
-The speaker refers to the person that gives the speech.
-The message refers the communication that is being sent.
-Purpose refers to the reason for sending a message.
-Audience refers to the people receiving the message.
According to this, the answer is:
speaker : the valedictorian
message : a recap of challenges successfully faced
in high school
purpose : to congratulate and encourage students
audience : the graduating class and their guests