Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.

A.   local maximum;    local minimum
B.   saddle point;    saddle point
C.   local maximum
D.   local minimum


Answer: D

Mathematics

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Find the derivative of y with respect to the independent variable.y = (ln 10?)?

A. (ln 10?)?-1
B. (ln 10?)?-1
C. (10?)? ln ?
D. ?(ln 10?)?-1

Mathematics

Write the augmented matrix for the system. Do not solve the system. 6x + 2z = 10  4y + 7z = 26 9x + 3y + 7z = 32

A.

B.

C.

D.

Mathematics

Graph the inequality. +  > 1

A.

B.

C.

D.

Mathematics

Find det A using the method of cofactors.A = 

A. 86 B. -50 C. 50 D. -42

Mathematics