Determine where the given function is concave up and where it is concave down. f(x) = x2 - 12x + 40
A. Concave up on (-?, 6), concave down on (6, ?)
B. Concave up on (6, ?), concave down on (-?, 6)
C. Concave up for all x
D. Concave down for all x
Answer: C
Mathematics
You might also like to view...
Fill in the blank with one of the words or phrases listed below.
The solution(s) to the equation x + 5 = x + 4 is/are 
.
A. unlike terms B. no solution C. all real numbers D. reversed
Mathematics
Express the number in decimal notation.8.1 × 105
A. 81,000 B. 8,100,000 C. 405 D. 810,000
Mathematics
Solve the absolute value inequality. Write the solution set using interval notation.2
? 6
A. 
B. 
? 
C. 
? 
D. 
? 
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 2
B. 2
C. 
D. 
Mathematics