Lista de exercícios do ensino médio para impressão
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Resolver:
a)
$\phantom{X}3^{{}^{\LARGE x}}\,=\,243\phantom{XXXXXX}$
b)
$\phantom{X}3^{{}^{\LARGE x}}\,\gt\,243\phantom{X}$
c)
$\phantom{X}3^{{}^{\LARGE x}}\,\lt\,243\phantom{X}$
d)
$\phantom{X}(\dfrac{1}{2})^{{}^{\LARGE x}}\,=\,\dfrac{1}{16}\phantom{X}$
e)
$\phantom{X}(\dfrac{1}{2})^{{}^{\LARGE x}}\,\gt\,\dfrac{1}{16}\phantom{X}$
f)
$\phantom{X}(\dfrac{1}{2})^{{}^{\LARGE x}}\,\lt\,\dfrac{1}{16}\phantom{X}$
g)
$\phantom{X}log{{}_{\Large 2\,}}x\,=\,log{{}_{\Large 2\,}}7\phantom{X}$
h)
$\phantom{X}log{{}_{\Large 2\,}}x\,\gt\,log{{}_{\Large 2\,}}7\phantom{X}$
i)
$\phantom{X}log{{}_{\Large 2\,}}x\,\lt\,log{{}_{\Large 2\,}}7\phantom{X}$
j)
$\phantom{X}log{{}_{\Large \frac{1}{3}\,}}x\,=\,log{{}_{\Large \frac{1}{3}\,}}4\phantom{X}$
k)
$\phantom{X}log{{}_{\Large \frac{1}{3}\,}}x\,\gt\,log{{}_{\Large \frac{1}{3}\,}}4\phantom{X}$
l)
$\phantom{X}log{{}_{\Large \frac{1}{3}\,}}x\,\lt\,log{{}_{\Large \frac{1}{3}\,}}4\phantom{X}$
m)
$\phantom{X}log{{}_{\Large 3\,}}(x\,-\,2)\,=\,4\phantom{X}$
n)
$\phantom{X}log{{}_{\Large \frac{1}{2}\,}}(x\,-\,7)\,\lt\,2\phantom{X}$
o)
$\phantom{X}log{{}_{\Large 3\,}}(x\,-\,1)\,\gt\,0\phantom{X}$
p)
$\phantom{X}log{{}_{\Large 5\,}}(x\,-\,2)\,\lt\,0\phantom{X}$
✓ mostrar resposta ...
resposta:
a) 5
b) x > 5
c) x < 5
d) x = 4
e) x < 4
f) x > 4
g) x = 7
h) x > 7
i) 0 < x < 7
j) x = 4
k) 0 < x < 4
l) x > 4
m) x = 83
n) x > 29/4
o) x > 2
p) 2 < x < 3
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Veja exercÍcio sobre: equação exponencial e logarítmica
