Solve the given differential equation.9y dx - 9x dy + x3 dx = 5 dx
A. x3 - 18y = c
B. x3 - 18y = cx - 10
C. x3 - 18y = cx + 10
D. x3 + 18y = cx - 10
Answer: B
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Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.
A. f
= 8, saddle point; f
= 8, saddle point
B. f
= 8, local minimum; f
= 8, local minimum
C. f
= 8, saddle point
D. f
= - 24, local maximum
Solve.x + 
= 
A. 1
B. 
C. 
D. 
Write the number as an exponential expression, using the base shown. Check your result with a calculator.
(base 2)
A. 24 B. -24 C. 2-4 D. 42
Find the extreme values of the function subject to the given constraint.
A. Minimum: 4 at (0, ±1); maximum: 7 at (±1, 0) B. Minimum: 4 at (0, ±1); maximum: 0 at (0, 0) C. Minimum: 4 at (±1, 0); maximum: 7 at (0, ±1) D. Minimum: 4 at (±1, 0); maximum: 0 at (0, 0)