Which equations model exponential growth?

Select each correct answer.

A) y=4.2 (1.25) x

B) y=0.25 (2) x

C) y=0.55 (0.91) x

D) y=2 (0.20) x

Question

Mathematics

Dennis Bowman

30 September, 12:51

Which equations model exponential growth?

Select each correct answer.

A) y=4.2 (1.25) x

B) y=0.25 (2) x

C) y=0.55 (0.91) x

D) y=2 (0.20) x

+5

Answers (1)

Know the Answer?

Aldo Townsend · Answer 1

P = A (1+r) ^x

where P is the population at time x

A is the initial population and r is the growth/decay rate. Growth will be + positive r number added to the 1. Where as decay subtracts r. So any answers that are > than 1 which is answers A and B.

Which equations model exponential growth?Select each correct answer. A) y=4.2 (1.25) x B) y=0.25 (2) x C) y=0.55 (0.91) x D) y=2 (0.20) x

Which equations model exponential growth?

Select each correct answer.

A) y=4.2 (1.25) x

B) y=0.25 (2) x

C) y=0.55 (0.91) x

D) y=2 (0.20) x