No 34 pake jalannya yaa

C = 50 + Q²
P = 10 <> R = 10Q
Q agar laba maksimal = ?

»»
Laba = R - C
Laba = 10Q - 50 - Q²
Syarat laba maksimal » laba' = 0
0 = -2Q + 10
2Q = 10
Q = 5

Jawaban E