10) The following table gives the number of weekly customers to visit a store since May 1. 3. 5n 6. # weeks # visitors 2. 155 173 180 175 170 118 136 a) Find a quadratic regression model to model V(x), the number of visitors x weeks since May 1. Round all coefficients to the nearest 100 b) At what week(s) would the store predict 140 visitors? Show how you get your answer algebraically. lleindoy itlo wod2 allob beseuods 02 to silong ot llns o sun a vnam oH (d Wrie the 11) Solve by the “completing the square" method. Show your work. x2 - 5x + 8 = 0 bnog TOM o] laon ad ilemie bris borltom roon oisupe oli anie

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10) The following table gives the number of weekly customers to visit a store since May 1.
# weeks
# visitors
2
155
173
180
175
170
118
136
a) Find a quadratic regression model to model V(x), the number of visitors x weeks since May 1. Round all
coefficients to the nearest 100th
b) At what week(s) would the store predict 140 visitors? Show how you get your answer algebraically.
1212
Wne the the
llaindoyl oinaloa wole aallob baseuodi 2 to slong en ot lloa vods un amoi vnam woll (d
Write the
11) Solve by the “completing the square" method. Show your work.
x2 - 5x + 8 = 0
(bnog TOM o] laon od ilemie brs borltom 10n sisupa oli gnieu ovlo2
Transcribed Image Text:10) The following table gives the number of weekly customers to visit a store since May 1. # weeks # visitors 2 155 173 180 175 170 118 136 a) Find a quadratic regression model to model V(x), the number of visitors x weeks since May 1. Round all coefficients to the nearest 100th b) At what week(s) would the store predict 140 visitors? Show how you get your answer algebraically. 1212 Wne the the llaindoyl oinaloa wole aallob baseuodi 2 to slong en ot lloa vods un amoi vnam woll (d Write the 11) Solve by the “completing the square" method. Show your work. x2 - 5x + 8 = 0 (bnog TOM o] laon od ilemie brs borltom 10n sisupa oli gnieu ovlo2
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