Use simple probability to complete the exercises.You are dealt one card from a standard 52-card deck. Find the probability of being dealt an ace or a 9.
A. 
B. 10
C. 
D. 
Answer: C
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Solve the system of equations by determinants. 3x + z = -7 w + x + 3y - z = 243w + y + 3z = 11 w + x + 4y = 25
A. w = 18, x = -3, y = 20, z = -12 B. w = 6, x = -1, y = 20, z = -4 C. w = 6, x = -1, y= 5, z = -4 D. w = 6, x = -3, y = 10, z = -8
For the given function:(a) Find the intervals on which the function is increasing and decreasing. (b) Then identify the function's local extreme values, if any, saying where they are taken on.(c) Which, if any, of the extreme values are absolute?g(x) = x2 - 7x + 7
What will be an ideal response?
Solve the system of equations. If the system is inconsistent or has dependent equations, say so. 2x - 2y + 8z = 16-5x + 5y - 20z = -40 x - y + 4z = 8
A. {(0, 0, 2)} B. {(7, 3, 1)} C. ?; inconsistent system D. {(x, y, z)|x - y + 4z = 8}; dependent equations
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: 3i and -5i
A. f(x) = x4 - 3x3 + 34x2 + 225 B. f(x) = x4 + 34x2 + 225 C. f(x) = x4 + 34x2 -5x + 225 D. f(x) = x4 - 5x2 + 225