9000005802 | math4u.vsb.cz

SubArea:

Linear functions

Level:

Project ID:

9000005802

Accepted:

1

Clonable:

0

Easy:

0

Given the linear function

f (x) = - \frac{1}{4} x + 4

, evaluate

f (2 a) \cdot f (- 2 a) .

16 - \frac{a^{2}}{4}

0

4 - a^{2}

- 4 + a^{2}