Find the inverse, if it exists, for the matrix.
A. 
B. 
C. 
D. 
Answer: B
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Rewrite the expression with positive exponents and simplify.
?
A. ?
B. 
C. 
D. 
E. 
Decide whether the statement is true or false.All rational numbers are real numbers.
A. True B. False
Use a graphing utility to graph the function over the indicated interval and approximate any local maxima and local minima. Determine where the function is increasing and where it is decreasing. If necessary, round answers to two decimal places.f(x) = x3 - 3x + 1, (-2, 2)
A. local maximum at (1, -1) local minimum at (-1, 3) increasing on (-2, -1) and (1, 2) decreasing on (-1, 1) B. local maximum at (-1, 3) local minimum at (1, -1) increasing on (-2, -1) and (1, 2) decreasing on (-1, 1) C. local maximum at (1, -1) local minimum at (-1, 3) increasing on (-2, -1) decreasing on (-1, 1) D. local maximum at (-1, 3) local minimum at (1, -1) increasing on (-1, 1) decreasing on (-2, -1) and (1, 2)
Find a formula for the inverse of the function described below.A size 34 dress in Country C is size 9 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = x + 8 B. f-1(x) = 2(x + 8) C. f-1(x) = 2x + 8 D. f-1(x) = 2(x - 8)