Answer:

Step-by-step explanation:
Trust me.
Step-by-step explanation:
definition of the derivative to differentiate functions. This tutorial is well understood if used with the difference quotient .
The derivative f ' of function f is defined ascthe above pic.
when this limit exists. Hence, to find the derivative from its definition, we need to find the limit of the difference quotient.
Answer:
<em>Solution in the attachment above..</em>
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<em><u>Hope it helps uh. !!!</u></em></h3><h2 /><h2>
<em><u>Stay</u></em><em><u> </u></em><em><u>Safe</u></em><em><u>!</u></em></h2>
The answer is in the attachment
Bottom = 2x5 = 10ft
Middle = 2x6 ( 4+2) = 12
Top 4x2= 8
10ft+12ft+8ft= 30ft squared