An epidemic of influenza spreads through a city. The accompanying figure is the graph of I = f(w),where / is the number of individuals (in thousands) infected w weeks after the epidemic begins. 10 S(w) 10 12 (a) Evaluatef(2). Round your answer to the nearest integer or half-integer. f(2) = (b) Approximately how many people were infected at the height of the epidemic? When did that occur? Write your answer in the form f(a) = b. Round your answers to the nearest integer or half-integer. %3D (c) Solve f(w) = 4.5. Enter your answers in increasing order. Round your answers to the nearest integer or half-integer. w%3D and w = (d) The graph used f(w) = 6w(1.25).Use the graph to estimate the solution of the inequality 6w(1.25) 2 6. That is, to evaluate the values of w when f(w) 2 6. Round your answers to the nearest integer or half-integer. w 2 and w S

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter7: Exponents And Exponential Functions
Section7.8: Transforming Exponential Expressions
Problem 1CYU
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An epidemic of influenza spreads through a city. The accompanying figure is the graph of I = f(w),where / is the number of
individuals (in thousands) infected w weeks after the epidemic begins.
10
S(w)
10
12
14
(a) Evaluate f(2).
Round your answer to the nearest integer or half-integer.
f(2) =
(b) Approximately how many people were infected at the height of the epidemic? When did that occur? Write your answer in the form
f(a) = b.
Round your answers to the nearest integer or half-integer.
%3D
i
(c) Solve f(w) = 4.5.
Enter your answers in increasing order. Round your answers to the nearest integer or half-integer.
and w =
W3=
(d) The graph used f(w) = 6w(1.25).Use the graph to estimate the solution of the inequality 6w(1.25) 2 6. That is, to
evaluate the values of w whenf(w) 2 6.
Round your answers to the nearest integer or half-integer.
w 2
and w S
Transcribed Image Text:An epidemic of influenza spreads through a city. The accompanying figure is the graph of I = f(w),where / is the number of individuals (in thousands) infected w weeks after the epidemic begins. 10 S(w) 10 12 14 (a) Evaluate f(2). Round your answer to the nearest integer or half-integer. f(2) = (b) Approximately how many people were infected at the height of the epidemic? When did that occur? Write your answer in the form f(a) = b. Round your answers to the nearest integer or half-integer. %3D i (c) Solve f(w) = 4.5. Enter your answers in increasing order. Round your answers to the nearest integer or half-integer. and w = W3= (d) The graph used f(w) = 6w(1.25).Use the graph to estimate the solution of the inequality 6w(1.25) 2 6. That is, to evaluate the values of w whenf(w) 2 6. Round your answers to the nearest integer or half-integer. w 2 and w S
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