Evaluate g (x) = 0.023x^3 + 0.4x^2 - 2.1x + 8.3 for x = 2 and x = 4.

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Hill

Mathematics

9 July, 13:09

Evaluate g (x) = 0.023x^3 + 0.4x^2 - 2.1x + 8.3 for x = 2 and x = 4.

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Emmy Lin · Answer 1

G (x) = 0.023x³ + 0.4x² - 2.1x + 8.3

for x = 2

g (2) = 0.023 (2) ³ + 0.4 (2) ² - 2.1 (2) + 8.3

= 0.184 + 1.6 - 4.2 + 8.3

= 5.884

for x = 4

g (4) = 0.023 (4) ³ + 0.4 (4) ² - 2.1 (4) + 8.3

= 1.472 + 6.4 - 8.4 + 8.3

= 7.772