Determine o domínio das seguintes funções:
a) y = 1 / raiz quadrada de x + 3
b) y = raiz quinta de -3x + 4
1/3(6x-9)=3/2(4x+2)
solve x
x**3 - 10.5*x**2 + 34.5*x - 35 find roots of this equation
x/22=11
1/x=2
375-b+7+5 = divid = 5
17x+129=34x+282
x-4y =7/2
(-6/0.05+-3/0.2)-(4-0.3/-0.2)
cosec(6/5)