Question

Ma puteți ajuta urgent? Punctul 1

Answer 1

b4=b3*q
q=b4/b3=10/5=2
as simple as that!!

2.max f(x) =f(5)=5-3=2

3. C.E.x≥-2
x²+12=x²+4x+4
4x=8
x=2>-2
care verifica√16=2+2
4=4, adevarat

Answer 2

$\it q= \dfrac{b_4}{b_3} = \dfrac{10}{5} =2$