Question

quantos é f(x)2x elevado a 2

Answer 1

f(x) = 2x²
0 = 2x²
2x² = 0
x² = 0/2
x = √0
x = 0

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Se for para substituir valores:

f(x) = 2x²
f(0) = 2.0²
f(0) = 0

x = 0; y = 0

f(1) = 2.1²
f(1) = 2.1
f(1) = 2

x = 1; y = 2

f(-1) = 2(-1)²
f(-1) = 2.1
f(-1) = 2

x = - 1; y = 2