Let $f ( x ) = 8 x ^ { 5 } - 80 \ln x$ , for x 0. Find the minimum value of f for x 0.
A) $4 \left( 2 ^ { 5 } - 10 \ln 2 \right)$
B) $8 \left( 2 ^ { 5 } - 10 \ln 2 \right)$
C) 0
D) 16(1 - ln 2)

Question

Let $f ( x ) = 8 x ^ { 5 } - 80 \ln x$ , for x > 0. Find the minimum value of f for x > 0.
A) $4 \left( 2 ^ { 5 } - 10 \ln 2 \right)$
B) $8 \left( 2 ^ { 5 } - 10 \ln 2 \right)$
C) 0
D) 16(1 - ln 2)

Quizplus · Accepted Answer

The Answer of Let $f ( x ) = 8 x ^ { 5 } - 80 \ln x$ , for x > 0. Find the minimum value of f for x > 0.
A) $4 \left( 2 ^ { 5 } - 10 \ln 2 \right)$
B) $8 \left( 2 ^ { 5 } - 10 \ln 2 \right)$
C) 0
D) 16(1 - ln 2)

Let f(x)=8x5−80ln⁡xf ( x ) = 8 x ^ { 5 } - 80 \ln xf(x)=8x5−80lnx

Let $f ( x ) = 8 x ^ { 5 } - 80 \ln x$