10 Question MCQ (including Assertion)

Question 1 of 10

A billing rule is written as \[ f(x)= \begin{cases} x^2,&0\le x\le2,\\ 3x,&2\le x\le5. \end{cases} \] Does this rule define a function on \([0,5]\)?

A No, because \(x=2\) is assigned both \(4\) and \(6\). B Yes, because both formulas are polynomial expressions. C Yes, because the two intervals cover \([0,5]\). D No, because \(f(0)=0\).

Select one option. Answers are shown after the test.

Timed test. Answer every question before time runs out. Correct answers and solutions appear after submission.

Time remaining 960

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