Regression Models

Question 1

Let x be the number of years since 1990. The year 2005 corresponds to an x-value of .

Revolt · Accepted Answer

C: 15

Question 2

Which exponential function models the data? Round the numerical values to the nearest hundredth.

Revolt · Accepted Answer

D: f(x) = 401.19(1.08)x

Question 3

The function f(x) =()x models the data.

Revolt · Accepted Answer

D: 39.59

Question 4

Consider the data points (–4, –14), (–2, –7), (0, –3),(2, –2), and (6, –6). Which type of function would best model the data set?

Revolt · Accepted Answer

C: quadratic

Question 5

The function that best models the data is .

Revolt · Accepted Answer

C: quadratic

Question 6

The function that best models the data, with numerical values rounded to the nearest hundredth, is f(x) = x + 22.08.

Revolt · Accepted Answer

B: 11.55

Question 7

The amount of methane emissions in 2000 was about million metric tons.

Revolt · Accepted Answer

C: 711

Question 8

The function f(x) =()x models the data.

Revolt · Accepted Answer

A: 1.09

Question 9

The amount of methane emissions in the years immediately following 2008 would most likely.

Revolt · Accepted Answer

B: increase

Question 10

Models have their limitations. For which year would this model not make sense to use?

Revolt · Accepted Answer

A: 1985

Regression Models Answers