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2 answers:
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Answer:
1326 cm²
Step-by-step explanation:
1) Identify the equation of the surface area of a rectangular prism
2) Input the corresponding values ;
; and
into the equation, and solve for the area
3) ∴
Using the critical point concept, it is found that a = -3 and b = 7.
<h3>What are the critical points of a function?</h3>- The critical points of a function are the values of x for which:
In this problem, the function is:
Hence, the derivative is:
Then:
Since the critical point is at x = 2, we have that:
Then:
Critical point at (2,3) means that when , then:
You can learn more about the critical point concept at brainly.com/question/2256078