Assume that an electricity tariff in Malaysia is defined by the function 2x 1-3x² E(x)=- is approximated by means of a Lagrange interpolating polynomial using the data sets of voltage (0.3,0.7,1.8). Estimate the tariff approximation when the voltage is at x = 0.6 and x=1.3.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.3: Zeros Of Polynomials
Problem 65E
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14. Assume that an electricity tariff in Malaysia is defined by the function
2x
1-3x²
E(x)=-
is approximated by means of a Lagrange interpolating polynomial using the data sets of
voltage (0.3,0.7,1.8). Estimate the tariff approximation when the voltage is at x = 0.6 and
x=1.3.
Answer: P₂(0.6)=-2.2653,
P₂(1.3)=-3.9460.
Transcribed Image Text:14. Assume that an electricity tariff in Malaysia is defined by the function 2x 1-3x² E(x)=- is approximated by means of a Lagrange interpolating polynomial using the data sets of voltage (0.3,0.7,1.8). Estimate the tariff approximation when the voltage is at x = 0.6 and x=1.3. Answer: P₂(0.6)=-2.2653, P₂(1.3)=-3.9460.
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