Find the domain and the range of the function.
A. D: (4, ?); R: (-?, 0]
B. D: (0, ?); R: [0, ?)
C. D: (-?, ?); R: (-?, ?)
D. D: (4, ?); R: [0, ?)
Answer: C
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Solve the absolute-value inequality.|r + 9| > 5
A. {r
-14 < r < -4}, or (-14, -4)
B. ?
C. {r
r < -14 or r > -4}, or (-?, -14) ? (-4, ?)
D. {r
r > -4}, or (-4, ?)
Identify and graph the polar equation.r = 4 sin 2?
A. rose with 4 petals
B. limacon with no inner loop
C. rose with 4 petals
D. rose with 8 petals
Divide, when possible.231 รท 7
A. 36 B. 31 C. 33 D. 35
Solve the problem. Round amounts to the nearest cent and percents to the nearest tenth of a percent.Selling price = $70.24; Rate or markup based on cost = 94%. Find the cost and markup.
A. Cost: $4.21 Markup: $66.03 B. Cost: $66.03 Markup: $4.21 C. Cost: $34.03 Markup: $36.21 D. Cost: $36.21 Markup: $34.03