Precalculus 1
unit 1 day 4 - analyzing graphs of functions and relations
4. the nu...
Mathematics, 26.09.2019 06:30 longboard5967
Precalculus 1
unit 1 day 4 - analyzing graphs of functions and relations
4. the number of households h in millions with only
wireless phone service from 2001 to 2005 can be
modeled by h(x) = 0.5x^2+ 0.5x + 1.2, where x
represents the number of years after 2001.
wireless only households
sg
years since 2008
a. state the relevant domain
b. approximate the range.
c. use the graph to estimate the number of
households with only wireless phone service in
2003
d. then find it algebraically.
6. re
h(x) =
a.
e
find the y-intercept algebraically,
what does this represent?
6. does the function have any zeros?
h. if yes, find them
no explain why
pactor
find the y-intercept and zero(ssigebraically
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