On Wednesday, the temperature changes -30 each hour for 10 hours.
2 answers:
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Answer:
Option D and
Step-by-step explanation:
step 1
<u>Find the equation of the inequality A</u>
we know that
The solution of the inequality A (dashed line) is the shaded area below the dashed line
The equation of the dashed line is
therefore
The equation of the inequality A is
step 2
<u>Find the equation of the inequality B</u>
we know that
The solution of the inequality B (solid line) is the shaded area below the solid line
The equation of the solid line is
therefore
The equation of the inequality B is
The system of linear inequalities is
and
