Question

Determine os valores reais De x f (x) -3x+2
f (x) =0
f (x) = 11

Answer 1

f(x)= 0
f(x)= -3.x+2
0= -3.x + 2
-2= -3.x
x= -2/3

f(x)= 11
11= -3.x + 2
9= -3.x
x= - 9/3
x= -3