By graphing the function, visually estimate its domain and range.g(x) = x2 - 7
A. Domain: [7, ?); range: (-?, ?)
B. Domain: (-?, ?); range :[-7, ?)
C. Domain: [7, ?); range: [7, ?)
D. Domain: (-?, ?); range: (-?, ?)
Answer: B
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Find the derivative.f(x) = 3x4 + 7x3 - 8
A. 3x3 + 7x2 B. 12x4 + 21x3 - 8 C. 12x3 + 21x2 - 8 D. 12x3 + 21x2
Solve the problem.If 3 balls are drawn from a bag containing 3 red and 4 blue balls, what is the expected number of red balls in the sample?
A. 1.39 B. 1.54 C. 0.89 D. 1.29
Determine the vertex, focus, and directrix of the parabola and sketch its graph.(y - 3)2 = 4(x - 2)
A. vertex: (3, 2)
focus: (4, 2)
directrix: x = 2
B. vertex: (-2, -3)
focus: (-1, -3)
directrix: x = -3
C. vertex: (2, 3)
focus: (3, 3)
directrix: x = 1
D. vertex: (2, 3)
focus: (1, 3)
directrix: x = 3
A focus group of 36 people for ABC TV were asked to rank the government spending priorities of education (E), military spending (M), health care (H), immigration (I), and lowering taxes (T). Here are the preferences: (HETMI) (IEHTM) (TIHME) (MIHET) 15 7 7 7 ? Who is the winner using the pairwise comparison method? ?
A. H B. M C. E D. T E. I