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Critical points, extrema and increasing intervals practice
Critical points, extrema and increasing intervals · 1–12
Use the first derivative to answer each question.
1.f(x) = −x3 + 212x2 − 30x − 7Find the critical points.
2.f(x) = −2x3 + 6x2 + 18x + 8Find the critical points.
3.f(x) = −x3 + 6x2 − 6Find the critical points.
4.f(x) = 3x3 + 9x2Find the critical points.
5.f(x) = 3x3 + 992x2 + 252xFind the critical points.
6.f(x) = −2x3 − 27x2 − 120xFind the critical points.
7.f(x) = 3x3 − 9x2 − 9Find the critical points.
8.f(x) = 3x3 − 92x2 − 7Find the critical points.
9.f(x) = 2x3 − 12x2 + 18x + 9Find the critical points.
10.f(x) = 2x3 − 6x2 − 5Find the critical points.
11.f(x) = 3x3 − 9x2 + 8Find the critical points.
12.f(x) = −x3 + 3x − 8Find the critical points.
Answer key — Critical points, extrema and increasing intervals practice
Critical points, extrema and increasing intervals
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