Use synthetic substitution to find g (2) and g (-7) for the function g (x) = 5x^4 - 3x^2 + 6x-4

Question

Mathematics

Lilly Christian

5 May, 14:04

Use synthetic substitution to find g (2) and g (-7) for the function g (x) = 5x^4 - 3x^2 + 6x-4

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Kaitlyn Woodward · Answer 1

G (x) = 5x^4 - 3x^2 + 6x - 4

g (2) = 5 (2^4) - 3 (2^2) + 6 (2) - 4

g (2) = 5 (16) - 3 (4) + 12 - 4

g (2) = 80 - 12 + 12 - 4

g (2) = 76

g (-7) = 5 (-7^4) - 3 (-7^2) + 6 (-7) - 4

g (-7) = 5 (2401) - 3 (49) - 42 - 4

g (-7) = 12005 - 147 - 42 - 4

g (-7) = 12005 - 193

g (-7) = 11812