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16-07-2020
Mathematics

contestada

Find (f - g) (4)
f(x) = 4x - 3
g(x) = x^3+2x
a) 59
b) 85
c)-59
d) 285

Respuesta :

LazyBun LazyBun

16-07-2020

Answer: C). -59

Explanation:
F(x) = 4x -3
f(4) = 4(4) - 3 = 13
g(x) = x^3 + 2x
g(4) = 4^3 + 2(4) = 64 + 8 = 72
(F - g)(4) = 13 - 72 = -59

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