Scatterplots

Question 1

Which function has a shape that would best model the data in the scatterplot?

Revolt · Accepted Answer

exponential

Question 2

The best model for this data is most specifically an equation representing function, where a = and b = .

Revolt · Accepted Answer

–1.01

Question 3

The best model for this data is most specifically an equation representing function, where a = and b = .

Revolt · Accepted Answer

10.13

Question 4

The best model for this data is most specifically an equation representing function, where a = and b = .

Revolt · Accepted Answer

a quadratic

Question 5

The data represent the height of the tide on a seawall measured at different times with 0 being the height at noon on Monday. Which function models the data?

Revolt · Accepted Answer

y = –5.5sin(–0.5x + 35.8) + 13.1

Question 6

The head of safety at a toy manufacturer issues a recall of an item, and then tracks the number of returned items based on the days since the recall. What is true about the relationship in the table? Check all that apply.

Revolt · Accepted Answer

In the best model, a rounds to 4.; In the best model, b rounds to 0.133; The coefficient of determination is greater than 0.9.

Question 7

The best model for the data is function.

Revolt · Accepted Answer

an exponential

Question 8

In the model, a is the and b is the .

Revolt · Accepted Answer

initial amount

Question 9

In the model, a is the and b is the .

Revolt · Accepted Answer

rate of decay

Scatterplots Answers

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