9000005802

SubArea: 
Linear functions
Level: 
A
Project ID: 
9000005802
Accepted: 
1
Clonable: 
0
Easy: 
0
Given the linear function \(f(x) = -\frac{1} {4}x + 4\), evaluate \[ f(2a)\cdot f(-2a). \]
\(16 -\frac{a^{2}} {4} \)
\(0\)
\(4 - a^{2}\)
\(- 4 + a^{2}\)