Homework # 16 - Math 149
The problems on this homework must be done alone. The honor code is in effect.
First name: Last name:
For questions 1, 2, and 3, consider the function \(f(x) = x^3-5x^2+7x\)
1. On what interval(s) is the function \(f\) decreasing?
a. \( (-\infty, 0)\)
b. \( (1, \frac{7}{3})\)
c. \( (1, 2)\)
d. \( (1, \frac{5}{2})\)
e. \( (\frac{5}{3}, \infty)\)
2. On what interval(s) is the graph of the function \(f\) concave up?
a. \( (0,\infty)\)
b. \( (-\infty, 1), (\frac{7}{3}, \infty)\)
c. \( (-\infty, 1), (2, \infty)\)
3. How many relative maxima does the function \(f\) have?
a. None
b. One
c. Two
d. Two and a half
e. Three
4. How many points of inflection does the function \(g(x) = x^4\) have?