Calculus I - Week 8
Homework
Check each answer individually. Use the hint if you get stuck, then ask the tutor.
Problem 1 · easy
Find all critical points of f(x) = x^2 - 4x + 1.
Problem 2 · easy
Is x = 2 a local max or min for f(x) = x^2 - 4x + 1?
Problem 3 · easy
Find all critical points of f(x) = x^3 - 3x + 2.
Problem 4 · medium
Find the local max value of f(x) = x^3 - 3x + 2.
Problem 5 · medium
Where is f(x) = x^4 - 4x^3 increasing?
Problem 6 · easy
Find the inflection point of f(x) = x^3.
Problem 7 · medium
Find the inflection points of f(x) = x^4 - 6x^2.
Problem 8 · medium
Find the absolute max of f(x) = x^2 - 2x on [0, 3].
Problem 9 · medium
Find the absolute min of f(x) = x^2 - 6x + 5 on [0, 5].
Problem 10 · medium
Find critical points of f(x) = 3x^4 - 8x^3.
Problem 11 · easy
On what interval is f(x) = x^2 - 4 concave up?
Problem 12 · easy
On what interval is f(x) = -x^2 + 4 concave down?
Problem 13 · medium
Find the x-value where f(x) = x^3 - 6x has a local min.
Problem 14 · medium
State the MVT guarantee for f(x) = x^2 on [1, 3].
Problem 15 · medium
How many critical points does f(x) = x^5 - 5x^4 have?
Problem 16 · medium
Find the absolute max of f(x) = sin(x) on [0, pi].
Problem 17 · medium
Where does f(x) = x^3 - 12x have a local maximum?
Problem 18 · medium
Find all inflection points of f(x) = x^3 - 6x^2 + 9x.
Problem 19 · medium
Is x=0 a local max, local min, or neither for f(x) = x^3?
Problem 20 · easy
Find the global minimum of f(x) = x^2 + 1.
Problem 21 · easy
What does the MVT guarantee if f is constant on [a,b]?
Problem 22 · easy
Find the local min value of f(x) = x^3 - 3x at x = 1.
Problem 23 · challenge
Find all x where f(x) = x^4 - 2x^2 has inflection points.
Problem 24 · challenge
For f(x) = x^3 - 9x^2 + 24x on [0, 5], find the absolute max value.
Problem 25 · medium
Does Rolle's Theorem apply to f(x) = |x| on [-1, 1]? Yes or no.