1) f(-x)=(-x-2)^2=(x+2)^2/=+-f(x) ни четная ни нечетн7ая
2)
<span>y</span><span> = </span><span>x</span><span>3 + 2</span><span>x</span><span> + 1; f(-x)=(-x)^3+2*(-x)+1=-x^3-2x+1=-(x^3+2x-1)/=+-f(x) ни четная ни нечетная</span>
<span> </span><span>y</span><span> = </span><span>x</span><span>4 + |</span><span>x</span><span>|. f(-x)=(-x)^4+I-xI=x^4+IxI=f(x) четная</span>
F(x)=sin(3x)
f'(x)=3cos(3x)
f'(x)=3cos(3π/6)=3cos(π/2)=3*0=0
отв:0
<h3>x³ + 3x²y + 3xy² + y³ = (x + y)³ = (2,5 + 0,5)³ = 3³ = 27</h3><h3><em><u>ОТВЕТ: 27</u></em></h3><h3><em><u /></em></h3>