Alle x-waarden waarvoor
log (4x + 2)   bestaat
worden gegeven
door de verzameling
A.   ] 1op2, plusoneindig [
B.   [ 1op2, plusoneindig [
C.   rplusnul
D.   ∅
E.   r
Rmin = { x | x ≤ 0 }  Rminnul ={ x | x < 0 }  Rplus = { x | x ≥ 0 }  rplusnul = { x | x > 0 } 
A    B    C    D    E 

[ 6-2433 - op net sinds 1.11.15-(E)-7.8.2024]

Translation in   E N G L I S H

All the values of x
for which
log (4x + 2) exists
are given by 		A.   (1op2, ∞ )
B.   [1op2, ∞ )
C.   rplusnul  = { x | x > 0 }
D.   ∅
E.   R

Oplossing - Solution

4x + 2 > 0 ⇔ 4x > −2 ⇔ x > min1op2