Question

3) Determine o dominio de cada função: a) f(x) = 4x - 6 √2-x
b) f(x)= Vx+1​

Answer 1

a)f(x)=4x-6√2-x

B)f(x)=Vx+1

a) 0=4x-6÷2-x

0=4x-3-x

0=3x-3

x=1

B)f(x)=vx+1

f(x)=d/dx (vx+1)

f(x)=d/dx (vx)d/dx (1)

f(x)=v+d/dx(1)

f(x)=v+0

f(x)=v