Answer:
The derivative is 2x - 8/x^3 by using the chain and power rules.
Step-by-step explanation:
The answer you should be getting is :
Hope this helped you!
~YEET !!!
f(x) = (x + 8)² -6
$35
<u>Area</u> = 2(1/2 × 5 × 5) + 20 × 10
= 2 × 12.5 + 200
= 25 + 200
= 225ft².