Use n = 4 to approximate the value of the integral by the trapezoidal rule.
A. 28
B. 
C. 14
D. 7
Answer: C
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Provide an appropriate response.Which one is correct, and which one is wrong? Give reasons for your answers.(a) src="https://sciemce.com/media/4/ppg__tttt0610190958__f1q97g7.jpg" style="vertical-align: -21.0px;" /> = 
= 
= - 
(b) 
= 0
What will be an ideal response?
Use the given transformation to evaluate the integral. src="https://sciemce.com/media/4/ppg__10615191636__f1q26g7.jpg" alt="" style="vertical-align: -4.0px;" />
Rwhere R is the parallelogram bounded by the lines 
A. 
(1 + cos 7)
B. 
(1 - cos 7)
C. 
(1 + cos 7)
D. 
(1 - cos 7)
Multiply the expressions.(5x - 9y)2
A. 5x2 - 90xy + 81y2 B. 25x2 - 90xy + 81y2 C. 5x2 + 81y2 D. 25x2 + 81y2
Multiply and reduce to lowest terms.
? 
A. y + 3
B. 
C. 
D. 