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MHT CET Maths Model Test 04 — MHT - CET STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceMHT - CETMHT CET Maths Model Test 041 Mark
MCQ
If $f(x)=x^3-15 x^2+84 x-17$, then ______.
  • A
    f(x) is increasing in `(-oo, 10]` and decreasing in `[10, oo)`
  • B
    f(x) is decreasing in `(-oo, 10]` and increasing in `[10, oo)`
  • ✓
    f(x) is increasing throughout real line
  • D
    f(x) is decreasing throughout real line
✓

Answer

Correct option: C.
f(x) is increasing throughout real line
C

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