Y'(f(x))=y'*f'
1) (9-x^2)^4=4(9-x^2)^3*(9-x^2)'=-8x(9-x^2)
<span>2) Корень из x^3+1=1/2</span>√(x³+1)*(x³+1)'=3x²/2√(x³+1)
1,5^x <2.25
1.5^x < 1.5²
x<2
( -∞;2)
0.4^(2x+1) >0.16
0.4^(2x+1) >0.4²
2x+1>2
2x>1
x>0.5
(0.5; ∞)
=7а-9b-3b-2a=5a-12b
=-3x^2-5x+1+3x^2-2x+9= 10-7x
1)24,4+(-2,5)=21,9
2)2,5+24,4=26,9
3)-2,5•24,4=-61
4)(2,5+1,5)•24,4=97,6
1)
75 489-(23 976+19 585)=74 489-23 976+19 585 верно
(960+893)-(475+768)=(960-473)+(893-768)
неверно