The correct answer is n=4:)
By the power and chain rules, taking derivatives on both sides with respect to 
gives
or
<span><span><span><span><span>14y</span>+112</span>+2</span>−<span>134y</span></span>−12</span><span>=<span><span><span><span><span><span><span>14y</span>+112</span>+2</span>+</span>−<span>134y</span></span>+</span>−12</span></span><span>=<span><span><span><span><span>14y</span>+112</span>+2</span>+<span>−<span>134y</span></span></span>+<span>−12</span></span></span><span>=<span><span>(<span><span>14y</span>+<span>−<span>134y</span></span></span>)</span>+<span>(<span><span>112+2</span>+<span>−12</span></span>)</span></span></span><span>=<span><span>−<span>120y</span></span>+102</span></span>
Answer:
<span>=<span><span>−<span>120y</span></span>+<span>102</span></span></span>
Answer:
Step-by-step explanation:
a) perimeter = 8x + 3 + 5 + 7x + 4
b) perimeter = 15x + 12
