Express the relationship between a small change in x and the corresponding change in y in the form 
.y = 8x2 - 7x + 7
A. dy = (16x - 7) dx
B. dy = 16x - 14 dx
C. dy = 16x + 7 dx
D. dy = 16x dx
Answer: A
Mathematics
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Find the length of the curve.The spiral r = e4?, 0 ? ? ? ?
A. 
(e4? - 1)
B. e8? - 
C. 
(e8? - 1)
D. 
(?2 - 1)
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Find the surface area of the surface S.S is the cap cut from the sphere x2 + y2 + z2 = 25 by the cone z = 4
.
A. 25
?
B. 25
?
C. 25
D. 50
?
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Approximate the number using a calculator. Round the answer to three decimal places.e-1.3
A. -0.273 B. 0.573 C. 0.273 D. -3.534
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Convert as indicated.24 lb 13 oz to ounces
A. 397 oz B. 2413 oz C. 253 oz D. 301 oz
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