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Q 1) Multiple Choice
⌕ Zoom ▱ Mark ⚑ Report
Medium Practice Topic: 02-Differentiation: Definition And Fundamental Properties Subtopic: 02-Definition Of Derivative Section: Section A Course: AP Calculus BC

Let the functions be:

I. f(x) = x² / (x² − 4) II. f(x) = |x² − 9| III. f(x) = (x + 4)2/3 IV. f(x) is defined as x² − 4 for x ≤ 0 and 4 − x² for x > 0

Which of I-IV is differentiable for all real x?

AI only×
BII only×
CIII only×
DNone of I-IV✓
Ask Professor Leo ● Save My Answer
Score growth after Verityprep

From practice to measurable progress.

+24% average score lift
StartWeek 2Week 4Week 6Week 8Goal
ExamBeforeAfter VerityprepLift
AP Calculus BC 62% 86%
 +24%
SAT Math 600 760
 +160
IB Practice 5.1 6.3
 +1.2
Before vs after scores
+24%
62%
86%
+160
600
760
+1.2
5.1
6.3
AP Calculus BCSAT MathIB Practice
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