Evaluate the expression, if possible.8-4/3
A. - 
B. 16
C. 
D. not a real number
Answer: C
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Multiply by a fraction equivalent to 1 to build up the fraction to one with the denominator shown.
= 
A. 
B. 
C. 
D. 
Use a graphing calculator to estimate the local maximum and local minimum values of the function to the nearest hundredth.f(x) = x3 - x2 - 3x + 2
A. Local max: (-1.42, 1.39); local min: (3.27, -0.72) B. Local max: (-0.72, 3.27); local min: (1.39, -1.42) C. Local max: (-0.72, 3.31); local min: (1.39, -1.36) D. Local max: (-1.42, 1.35); local min: (3.27, -0.68)
Use the composition cancellation equations to decide whether or not the functions are inverses of each other.f(x) = (x - 6)2, x ? 6 and g(x) = 
+ 6
A. Yes B. No
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. x + y + z + w = 8 3x + 2y + z + 4w = 214x + 4y + 5z + 8w = 302x + 3y + 6z + 9w = 15
A. {(5w + 11, -3w - 7, -3w + 4, w)} B. ? C. {(-6w + 3, 9w + 7, -4w - 2, w)} D. {(-3, 16, -6, 1)}