a. NAME 3. Scientists measure a bacteria population and find that it is 10,000. Five days later, they find that the population has doubled. Which function f could describe the bacteria population d days after the scientists first measured it, assuming it grows exponentially? f(d) = 10,000-2 b. f(d) = 10,000-(√2) c f(d) = 10,000- 000 (1) d. f(d) = 10,000-25 value in dollars 10-

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter4: Exponential And Logarithmic Functions
Section4.CT: Chapter Test
Problem 11CT
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Related questions
Question
a.
NAME
3. Scientists measure a bacteria
population and find that it is 10,000.
Five days later, they find that the
population has doubled. Which
function f could describe the
bacteria population d days after the
scientists first measured it, assuming
it grows exponentially?
f(d) = 10,000-2
b. f(d) = 10,000-(2)
c_f(d) = 10,000 (+/-)²
d. f(d) = 10,000-25
10
value in dollars
DATE
(0,5)
0¹ 1
40
4. The value of a collectible toy is
increasing exponentially. The two
points on the graph show the toy's
initial value and its value 3 weeks
afterward.
2
A
(3, 10)
3 4
5 6 7
weeks since purchase
a. Express the toy's value t, in dollars,
as a function of time w, in weeks,
after purchase.
b. Write an expression to represent the
toy's value 10 days after purchase.
8
thematics
9 10
PERIOD
NAME
5. A
Transcribed Image Text:a. NAME 3. Scientists measure a bacteria population and find that it is 10,000. Five days later, they find that the population has doubled. Which function f could describe the bacteria population d days after the scientists first measured it, assuming it grows exponentially? f(d) = 10,000-2 b. f(d) = 10,000-(2) c_f(d) = 10,000 (+/-)² d. f(d) = 10,000-25 10 value in dollars DATE (0,5) 0¹ 1 40 4. The value of a collectible toy is increasing exponentially. The two points on the graph show the toy's initial value and its value 3 weeks afterward. 2 A (3, 10) 3 4 5 6 7 weeks since purchase a. Express the toy's value t, in dollars, as a function of time w, in weeks, after purchase. b. Write an expression to represent the toy's value 10 days after purchase. 8 thematics 9 10 PERIOD NAME 5. A
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