americavillegas1 americavillegas1

23-11-2019
Mathematics

contestada

If f(x)=2x-5x^2 and g(x) =5x+2 what is f(4) ?

A. -2376
B. -1584
C.-362
D.-52
E. None

Respuesta :

cervantes00 cervantes00

23-11-2019

Plug 4 into f(x). The answer is -72 so option E is the correct one.

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SvetkaChem SvetkaChem

23-11-2019

Answer:

E. None

Step-by-step explanation:

f(x) = 2x - 5x²

f(4) = 2*4 - 5*4² = 8 - 80 = - 72

Answer Link

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