Solve the equation.
A. 
B. 
, 
C. 
, 
D. 
, 
E. 
, 
Answer: C
Mathematics
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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.f(x, y) = x2 + 100 - 20x cos y; -? < y < ?
A. (10, 0); local maximum B. (10, 0); local minimum C. (100, 0); local minimum D. (10, 0); saddle point
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Use the Instructional Algorithm for addition or subtraction to perform the operation.49 - 19
A. 50 B. 68 C. 30 D. 12
Mathematics
Write the number in scientific notation.0.0000000968011
A. 9.68011 × 10-7 B. 9.68011 × 108 C. 9.68011 × 10-9 D. 9.68011 × 10-8
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Find the area of the triangle. Approximate values to the nearest tenth when appropriate.
A. 70 ft2 B. 50 ft2 C. 140 ft2 D. 35 ft2
Mathematics