Math, asked by guilhermeaca, 5 months ago

por f(x) = -x² + 12x + 20, tem um valor

Answers

Answered by afreenkhatoon619
0

Answer:

A função real f, de variável real, dada por f(x) = - x + 12x + 20, tem um valor:

a) máximo igual a 72, para x = 12

b) mínimo igual a 16, para x = -12

c) máximo igual a 56, para x = 6

d) mínimo igual a –16, para x = 6

e) máximo igual a 240, para x = 20.

Step-by-step explanation:

Answered by neerajshami3
0

Answer:

 {x}^{2}  + 10x + 2x + 20 \\  = x(x + 10) + 2(x + 10) \\  = (x + 10)(x + 2)

x=-10 and x=-2

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