Use Cramer's Rule to solve the system of equations. Use technology to compute the determinants involved.
A. 
B. 
C. 
D. 
Answer: D
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Use a calculator to find the value to four decimal places.
?
?
A. 136.0665 B. 125.0000 C. 4.0249 D. 20.1246 E. 15.0000
Use the maximum/minimum finder on a graphing calculator to determine the approximate location of all local extrema.f(x) = 0.1x5 + 5x4 - 8x3- 15x2 - 6x - 93
A. Approximate local maxima at -41.059 and -0.241; approximate local minima at -0.573 and 1.984 B. Approximate local maxima at -41.132 and -0.273; approximate local minima at -0.547 and 1.952 C. Approximate local maxima at -41.177 and -0.331; approximate local minima at -0.521 and 1.997 D. Approximate local maxima at -41.106 and -0.213; approximate local minima at -0.519 and 1.924
The lengths of the legs of a right triangle are given. Find the hypotenuse.a = 3, b = 4
A. 2 B. 25 C. 5 D. 7
Simplify. Assume that all variables represent positive numbers.
A. 5x2
B. 8x
C. 320x
D. 8