Find the dimension of the matrix.
A. 2 × 3
B. -7, 5, 5, -5, 1, -8
C. 6
D. 3 × 2
Answer: A
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Subtract.
A. 5 B. 2 C. 4 D. 3
Solve.?6x - 9? ? 8
A. x ? 
or x ? 
B. x ? 
C. 
? x ? 
D. x ? - 
or x ? 8
Solve the problem.A certain clinic has 400 patients, each of whom is being treated for heart disease or diabetes. Suppose that 300 are treated for heart disease and 75 are treated for heart disease and diabetes. (a) How many patients are treated for diabetes?(b) How many patients are treated only for heart disease?
Fill in the blank(s) with the appropriate word(s).
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 - 4x2 + 6; (-1, 4)
A. local maximum at (0, 6) local minimum at (2.67, -3.48) increasing on [0, 2.67] decreasing on [-1, 0] and [2.67, 4] B. local maximum at (2.67, -3.48) local minimum at (0, 6) increasing on [-1, 0] and [2.67, 4] decreasing on [0, 2.67] C. local maximum at (0, 6) local minimum at (2.67, -3.48) increasing on [-1, 0] and [2.67, 4] decreasing on [0, 2.67] D. local maximum at (2.67, -3.48) local minimum at (0, 6) increasing on [0, 2.67] decreasing on [-1, 0] and [2.67, 4]