Write the augmented matrix for the system of linear equations.
A. 
B. 
C. 
D. 
Answer: C
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Find f so that F = ?f. If the fuction is not conservative state so.F(x, y, z) = 2xex2 + y2i + 2yex2 + y2j
A. f(x, y, z) = 2ex2 + y2 + C
B. f(x, y, z) = 
+ C
C. f(x, y, z) = ex2 + ey2 + C
D. f(x, y, z) = ex2 + y2 + C
Suppose that ? is in standard position and the given point is on the terminal side of ?. Give the exact value of the indicated trig function for ?.(-7, 8); Find cot ?.
A. - 
B. - 
C. 
D. - 
Using either logarithms or a graphing calculator, find the time required for the initial amount to be at least equal to the final amount.$6000 deposited at 5% compounded quarterly, to reach at least $15,400.
A. 20 years, 3 months B. 19 years, 9 months C. 18 years D. 19 years
Find all square roots of the number.8100
A. 91, -91 B. 90, -90 C. 9, -9 D. 89, -89