1.
a) = 3
b) = -8
c) = 9
d) = 12
2.
a) =3·0-5 = -5
b) = 2²-8 = 4-8 = -4
c) 5·(-1)³+2·(-1)²-4·(-1) = -5+2+4 = 1
d) = 7·(+∞)-3 = +∞
e) = (-9)·(-∞)-3 = +∞
f) = -(-∞)² = -∞
g) = +∞
h)= -(-∞)³= +∞
3.
a) = √9 = 3
b) = [tex]\sqrt[5]{32} = \sqrt[5]{2^{5} }=2[/tex]
c) = (-∞)^(1/3) = -∞
d) = [tex]\sqrt[4]{81} = \sqrt[4]{3^{4} } = 3[/tex]
4.
a) (1/2)²=1/4
b) +∞
c) +∞
d) 2³=8
e) = [tex](1/5)^{-inf} = (5)^{+inf} = +inf[/tex]
f) = 7^(-∞)= 1/[tex]7^{inf}[/tex] = 0
g) = 1/[tex]3^{inf}[/tex] = 0
h) 9^(1/2) = √9 = 3
5.
a) =+∞
b) [tex]=log_{2} (2^{2} ) =2[/tex]
c) =-1
d) =-∞
e) = ln(e²) =2
f) -∞
g) =2
h) =3