help please!! thank you! will give BRAINLIEST!! *graphs, and just answer question b. and c.! thank youuuu
1 answer:
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Answer:
Step-by-step explanation:
Attached is graphed piecewise function.
Take note, if the inequality is a less than or equal to or (more than or equal to), the dots will be solid, otherwise it will be hollow.
Since this is a piecewise function, here is one question you might want to ask yourself:
Does the limit exist when x approaches 4?
Answer:
Keith scored 70% on the History test.
Step-by-step explanation:
We have been given that for History test, Keith had to answer 40 questions. Of these 40 questions, Keith answered 28 of them correctly.
To find the percentage Keith got on History test, we will have to figure out 28 is what percent of 40.
Therefore, Keith scored 70% on the History test.