Het bereik van de functie

  f (x) = 2.sin x   is 		A.   r
B.   { 2 }
C.   rnul
D.   rplus
E.   [ − 2, +2 ]
Rplus = { x | x ≥ 0 } rplusnul = { x | x > 0 } 
A    B    C    D    E 

[ 5-6603 - op net sinds 18.5.13-(E)-27.10.2023 ]

Translation in   E N G L I S H

What is the range
of the function

f:   f (x) = 2.sin x   ? 		A.   R all x
B.   { 2 } x = 2
C.   rnul x ≠ 0
D.   Rplus x ≥ 0
E.   [ − 2, +2 ] − 2 ≤ x ≤ +2

Oplossing - Solution

− 1 ≤ sin x ≤ +1   zodat   − 2 ≤ 2.sin x ≤ +2
gricha