Multiple Choice

You can model the population of a certain city between 1945-2000 by the radical function P (x) = 55,000 sqrt x-1945. Using this model, in which year was the population of that city 165,000?

A) 1948

B) 1951

C) 1954

D) 1957,

Question

Mathematics

Efrain Barker

14 April, 07:33

Multiple Choice

You can model the population of a certain city between 1945-2000 by the radical function P (x) = 55,000 sqrt x-1945. Using this model, in which year was the population of that city 165,000?

A) 1948

B) 1951

C) 1954

D) 1957,

+4

Answers (1)

Know the Answer?

Audrina Lowery · Answer 1

The answer is 1954. Letter C is correct

Solution:

If P (x) = 165,000

Then

165,000 = 55,000 (x - 1945) ^ (1/2)

x = 1954

to check it, substitute x

165,000 = 55,000 (1954 - 1945) ^ (1/2)

165,000 = 165,000

Multiple ChoiceYou can model the population of a certain city between 1945-2000 by the radical function P (x) = 55,000 sqrt x-1945. Using this model, in which year was the population of that city 165,000?A) 1948B) 1951C) 1954D) 1957,

Multiple Choice

You can model the population of a certain city between 1945-2000 by the radical function P (x) = 55,000 sqrt x-1945. Using this model, in which year was the population of that city 165,000?

A) 1948

B) 1951

C) 1954

D) 1957,