Answered

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13. The surveys of interest for a concert produced these data points about the relation between ticket

price and ticket sales

Ticket Price (S)

3

5

7

9

11

13

Ticket Sales (S) 1447 1353 1212 1025 790 509

(A) Find the quadratic equation that best models the data,

14a)

(B) Predict the ticket sales if the tickets are $8 each.

14b)

(C) What would the price of the ticket have been if there

is $1000 in ticket sales?

14c)

Sagot :

fichoh

Answer:

1500.110 - 0.157x - 5.853x² ;

1124.262

Step-by-step explanation:

Given the data:

Price __ Sales

3 ____1447

5 ___ 1353

7 ____ 1212

9 ____1025

11 ____790

13 ____509

Usibg the quadratic regression calculator :

1500.110 - 0.157x - 5.853x²

If ticket price = $8 each

Ticket sales will be :

y = 1500.110 - 0.157(8)- 5.853(8^2)

= 1124.262

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