1003160902

SubArea: 
Linear functions
Level: 
C
Project ID: 
1003160902
Accepted: 
1
Clonable: 
0
Easy: 
0
Suppose f is a linear function. If the value of the independent variable x increases by 4, the function value decreases by 12. Choose the correct form of the function f, such that the given property is preserved.
f(x)=−3x
f(x)=3x
f(x)=3x−12
f(x)=−13x