Question

f(x)={
2x−4
−4
​

for x

=1
1
1
​

for x=1
1
1
​

​

Find , f, of, 2
Find f(2)

Answer 1

Since 2 ≠ 1, use the first piece:
f(2) = (2·2 − 4)/(−4) = (4 − 4)/−4 = 0/−4 = 0.