Question

Помогите с алгеброй дам много балов

Answer 1

1) f(x) = -x^2

f(1/4) = - (1/4)^2 = - (1/16)

f(0) = -0^2 = -0 = 0

f(2a) = - (2a)^2 = - 4a^2

f(a^2+1) = - (a^2+1)^2 = - (a^4 - 2a^2 + 1) = -a^4 + 2a^2 - 1

2) f(x) = -x^2 при x < 0 и f(x) = x-2 при x >= 0

а) f(-3) = - ((-3)^2) = - 9

f(0) = 0-2 = -2

f(2) = 2-2 = 0