Express the number in scientific notation.2500
A. 2.5 × 10-2
B. 2.5 × 10-3
C. 2.5 × 103
D. 2.5 × 102
Answer: C
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Solve the problem.A water tank is formed by revolving the curve y = 3x4 about the y-axis. Find the volume of water in the tank as a function of the water depth, y.
A. V(y) = 
y1/2
B. V(y) = 
y3/2
C. V(y) = 
y3/2
D. V(y) = 
y9
Find the length of the curve.The line segment r = 4 sec ?, 0 ? ? ? 
A. 4
B. 
C. 4 ln
D. 2(
+ ln(
+ 1))
Write a chain rule formula for the following derivative.
for w = f(x, y, z); x = g(s, t), y = h(s, t), z = k(s)
A. 
= 
+ 
B. 
= 
C. 
= 
+ 
D. 
= 
+ 
Use Newton's method to find an approximate answer to the question. Round to six decimal places.Where are the inflection points of f(x) = 
x4 + 
x3 - 5x2 + 7 located?
A. x ? -1.169188, 0.407283 B. x ? -1.170422, 0.907283 C. x ? -0.919188, 0.657283 D. x ? -1.058077, 0.296172