- -
Solved Examples
Click on a 'View Solution' below for other questions:
e   Find the interval in which f (x) = xe9x is concave upward.
   e
View Solution
e   Find the interval in which f(x) = 8x(ln 9x) is concave upward.
   e
View Solution
e   What is the interval in which f(x) = (ln(4x))(x) is concave upward ?
   e
View Solution
e   What is the interval in which f (x) = 2x3 + 18x2 + 6x + 30 is concave downward?
   e
View Solution
e   Find the interval in which f (x) = 2x - 12x is concave downward.   e View Solution
e   Find the interval in which f (x) = e- 7x is concave downward.   e View Solution
e   In (0, π2), f (x) = 8x cos x + 48 is   e View Solution
e   Find the largest interval in which f (x) = 30x4 + 6x2 + 41 is concave upward.   e View Solution
e   For the function f (x) = 3ax2 + 2bx + 33 where a ≠ 0, which of the following is true?   e View Solution
e   What is the interval in which f(x) = x - 3x - 2 is concave downward ?
   e
View Solution
e   What is the interval in which f (x) = sin2 6x is concave upward?
   e
View Solution
e   What is the interval in which f (x) = tan 4x is concave upward?
   e
View Solution
e   What is the interval in which f (x) = e7x - e- 7 x is concave downward?   e View Solution
e   What is the interval in which f (x) = e4x sin 4x is concave downward?   e View Solution
e   Find the interval in which f(x) = x22 + ln 5x is concave downward.   e View Solution
e   Find the interval in which f(x) = 7x 2 ln 6x is concave downward.
   e
View Solution
e   Find the interval in which f(x) = sin 18x is concave upward.   e View Solution
e   Find the interval in which f (x) = (ln 7x) 2 is concave downward.
   e
View Solution
e   What is the interval in which f(x) = x(ln 9x)2 is concave downward?   e View Solution
e   Find the point of inflection of f(x) = x3 - 12x2 + 195.   e View Solution
e   Determine the point of inflection of the graph of f(x) = 11x e17x.
   e
View Solution
e   f(x) = 4x in (0, ∞) has   e View Solution
e   Find the minimum possible perimeter of a rectangle of area 900 m2.
   e
View Solution
e   The sum of two positive numbers is 80. Find the smallest possible value of the sum of their squares.
   e
View Solution
e   The sum of two positive numbers is 4. Find the minimum possible value of the sum of the cubes of these numbers.
   e
View Solution
e   What is the maximum possible area of a rectangle of perimeter 12 m?   e View Solution
e   x, y are two positive numbers whose sum is 7. What is the possible greatest value of x2 y?
   e
View Solution
e   Find the minimum possible perimeter of a rectangle of area 1600 m2.
   e
View Solution
e   Find the interval in which f(x) = 5x(ln 6x) is concave upward.
   e
View Solution
e   What is the interval in which f(x) = (ln(7x))(x) is concave upward ?
   e
View Solution
e   What is the interval in which f (x) = 3x3 + 45x2 + 12x + 38 is concave downward?
   e
View Solution
e   Find the interval in which f (x) = 8x - 22x is concave downward.   e View Solution
e   Find the interval in which f (x) = e- 3x is concave downward.   e View Solution
e   In (0, π2), f (x) = 4x cos x + 46 is   e View Solution
e   Find the largest interval in which f (x) = 4x4 + 2x2 + 28 is concave upward.   e View Solution
e   What is the interval in which f(x) = x - 8x - 7 is concave downward ?
   e
View Solution
e   What is the interval in which f (x) = sin2 4x is concave upward?
   e
View Solution
e   For the function f (x) = 8ax2 + 5bx + 31 where a ≠ 0, which of the following is true?   e View Solution
e   What is the interval in which f (x) = tan 5x is concave upward?
   e
View Solution
e   What is the interval in which f (x) = e6x - e- 6 x is concave downward?   e View Solution
e   What is the interval in which f (x) = e7x sin 7x is concave downward?   e View Solution
e   Find the interval in which f(x) = x22 + ln 8x is concave downward.   e View Solution
e   Find the interval in which f(x) = 5x 2 ln 4x is concave downward.
   e
View Solution
e   Find the interval in which f(x) = sin 4x is concave upward.   e View Solution
e   Find the interval in which f (x) = (ln 3x) 2 is concave downward.
   e
View Solution
e   What is the interval in which f(x) = x(ln 5x)2 is concave downward?   e View Solution
e   Find the interval in which f (x) = xe5x is concave upward.
   e
View Solution
e   Find the point of inflection of f(x) = x3 - 6x2 + 28.   e View Solution
e   Determine the point of inflection of the graph of f(x) = 7x e13x.
   e
View Solution
e   If f(x) = ax2 + bx + c, a ≠ 0, then which of the following is correct?
   e
View Solution
e   f(x) = 9x in (0, ∞) has   e View Solution
e   For a real function y = f(x), which of the following holds true?   e View Solution
e   What is the maximum possible area of a rectangle of perimeter 16 m?   e View Solution
e   The sum of two positive numbers is 40. Find the smallest possible value of the sum of their squares.
   e
View Solution
e   The sum of two positive numbers is 14. Find the minimum possible value of the sum of the cubes of these numbers.
   e
View Solution
e   x, y are two positive numbers whose sum is 10. What is the possible greatest value of x2 y?
   e
View Solution