Find the largest open intervals where the function is concave upward.f(x) = x2 + 2x + 1
A. (-?, -1)
B. None
C. (-1, ?)
D. (-?, ?)
Answer: D
Mathematics
You might also like to view...
Perform the indicated operation and simplify.
- 
A. 
B. 
C. 
D. 
Mathematics
Graph the inequality.x - 5 ? 0
A. 
B. 
C. 
D. 
Mathematics
Find an equation in slope-intercept form (where possible) for the line.Through (0, 3), m = 
A. y = 
x - 3
B. y = - 
x - 3
C. y = 
x + 3
D. y = - 
x + 3
Mathematics
Find the remaining sides of a 45° - 45° - 90° triangle if the longest side is 20.
What will be an ideal response?
Mathematics