Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation.
? 2
A. (-3, 6]
B. [-6, -3)
C. (-?, -3) or [0, ?)
D. (-?, -6] or (-3, ?)
Answer: B
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Solve the problem.The average per-person annual consumption of hot dogs is shown in the table. Let C be the average per-person consumption of hot dogs at t years since 2002. C = 0.97t + 18.41 can be used to model the data.
What is the C-intercept and what does it mean in this situation?
A. (0, 18.41); In 2002 the average consumption was 18.41 hot dogs per-person. B. (-18.98,0); In 2021 the average consumption will be 0 hot dogs per-person. C. (0, 0.97); In 2002 the average consumption was 0.97 hot dogs per-person. D. (0, 18.41); Each year the average consumption is increased by 18.41 hot dogs per person.
Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.x2 - 4x - 5
A. prime B. (x - 1)(x + 1) C. (x + 1)(x - 5) D. (x - 1)(x - 5)
Given f (x, y) = 2xy + y2 +3e cos( y), find: 
What will be an ideal response?
Solve. Give your answer as a mixed numeral.There were 30
yards of wire on a spool. After a customer bought 9
yards of wire from the spool, how many yards were left?
A. 20
yd
B. 19
yd
C. 20 yd
D. 21
yd