Question
A once-popular children's doll is slowly declining in popularity. The quartic function f(x)=-0.022x^4+0.457x^3-2.492^2-5.279x+87.419,where x is the number of years since 1993, can be used to
A once-popular children's doll is slowly declining in popularity. The quartic function f(x)=-0.022x^4+0.457x^3-2.492^2-5.279x+87.419,where x is the number of years since 1993, can be used to estimate the number of dolls of this type that were sold (in thousands) during a given year from 1993 to 2003. Estimate how many dolls were sold in 1998.
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Introduction to Real Analysis
Authors: Robert G. Bartle, Donald R. Sherbert
4th edition
471433314, 978-1118135853, 1118135857, 978-1118135860, 1118135865, 978-0471433316
