Determine all values that cause the expression to be undefined.
A. -8
B. 8
C. 0
D. None
Answer: C
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A computer password is made up of five characters. Each character can be a capital letter (A through Z) or a digit (0 through 9).How many different such computer passwords are there?
A. 36 × 5 B. 265 + 105 C. 536 D. 365 E. none of these
Express y as a function of x. The constant C is a positive number.ln y = ln 4x + ln C
A. y = (4x)C B. y = 4x + C C. y = 4Cx D. y = x + 4C
Find the equation that the given graph represents and give the domain, range, and interval(s) over which the function is increasing and decreasing.
A. P(x) = x4 + x3 - 10x2 + 10; domain: (-?, ?); range: [-29.51, ?); Increasing over [-2.67, 0] and [1.90, ?); Decreasing over (-?, -2.67] and [0, 1.90] B. P(x) = x5 - 4x3 + 12x2 + 10; domain: (-?, ?); range: [-29.51, ?); Increasing over [-.61, ?); Decreasing over (-?, -.61] and [0, 7.85] C. P(x) = -x4 + x3 - 12x2 + 10; domain: (-?, ?); range: [-29.51, ?); Increasing over [-3.56, 0] and [.83, ?); Decreasing over (-?, -3.56] and [0, .83] D. P(x) = -x5 - 10x2 - 10; domain: (-?, ?); range: [-29.51, ?); Increasing over (-?, 0] and [4.77, ?); Decreasing over (-?, 0] and [0, 4.77]
Identify the indicated entry in matrix A.A = 
; identify a21.
A. 8 B. 5 C. 7 D. 2