Question

Urgenteee FUNÇÃO EXPONENCIAL
(0,5) Elevado a x2+x-12 =1

Answer 1

(0,5)^x²+x-12 = 1


(0,5)^x²+x-12= (0,5)°

x²+x-12=0

∆= 1²-4.1.(-12)
∆= 1+48
∆=49

x= -1±√49/2.1
x= -1±7/2
x1= -1+7/2=6/2=3
x2= -1-7/2=-8/2= -4

S= {3}