Answer:
{ 100, 125,150,175}
Step-by-step explanation:
The range is the output values
{ 100, 125,150,175}
Answer:
The solution in the attached figure
Step-by-step explanation:
we have

we know that
The solution of the inequality is the shaded area below the dashed line of the parabola
The equation of the dashed line is the vertical parabola 
therefore
The solution in the attached figure
None of these are correct. the answer is 6 hours, because if the the train is traveling at 30m/h and the distance = 180m than your equation is 30m/180
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Answer: 2/3
Step-by-step explanation: convert to same unit. 45/60, 48/60, 40/60
40/60<45/60<48/60
so 2/3 is least