Question

alguém me ajudar porfavo?
Calcule os zero das funções :

a)F(x)=X+3
b)y= -2x+4
c)y=3X+1
d)F(x)= -X/2 +2
e)f(x)= 2x -6
f)F(x)=3-3x
g)y=2x -5

Answer 1

A) $0 = x+3$
$x=-3$

B)$0=-2x+4$
$x=2$

C)$0=3x+1$
$x=-\frac{1}{3}$

D) $0=-\frac{x}{2}+2$
$x=4$

E) $0=2x-6$
$x=3$

F) $0=3-3x$
$x=1$

G) $0=2x-5$
$x=\frac{5}{2}$

Answer 2

   
 
 
 
 
a)F(x)=X+3==> x+3=0 ==> x= - 3

b)y= -2x+4==> -2x+4=0 ==> 2x=4==>x= 2

c)y=3X+1==> 3x+1=0==> 3x= -1==> x= -1/3

d)F(x)= -X/2 +2==>-x/2+2=0==>-x+4=0==>x=4

e)f(x)= 2x -6==>2x-6=0==>2x=6==> x= 3

f)F(x)=3-3x==>3-3x=0==>3x=3==>x= 1

g)y=2x -5==> 2x-5=0==> 2x=5 ==>x= 5/2