You've been hired to plan a new year's eve party at the governor's mansion. the mansion charges: $1, 250 plus $20 per person.

i. write an equation that can be used to the determine the cost of the party. define the variables.

ii. what is the cost if there is 300 people attending the party?

iii. represent the previous answer in a graph. ( count by intervals of 50)

iv. there are 750 people who attended the party. daryl said the cost will be $16,500. is he correct ? explain why or why not. prove your answer by showing your work and including detailed reasoning.