Mathematıcs I (ENG)
Deneme Sınavı Soruları
- 20 soru
- Cevap anahtarı açık: çöz, sonucunu gör
- 1
f (x, y, z) = xyz – xy – xz + yz ; grad f (-1, 2, -3) = ?
- 2
If f(x,y)=5+e-3y+x.lnx
What is the partial derivative ∂f/∂x= ?
- 3
For which of the following total cost functions, is the marginal cost constant?
- 4Given that g(x)=2x+1 and f(x)=x1/2what is the derivative of f(g(x))?
- 5
A company produces a certain item whose demand function is

and supply function is

For what values of x is there a market shortage?
- 6
Let p denote the price and q denote the quantity of a product. If the demand to this product is given by

What is the price elasticity of demand when p=10?
- 7

Assume that for x=2, the left limit of f(x) is "a" for x=2, and the right limit of f(x) is "b". Then what will be a-b?
- 8
Which one can be said true for derivatives?
- 9
What is the limit of the function f(x) = ( x-7 / x - 5) at x = 5?
- 10
Determine the set of continuity of the function f (x) = x2 -1.
- 11
At which point on the graph of the function
the slope is zero? - 12
The demand function of a product is given by p=100-4x, and the supply function is p=1/2x-10. Which of the following is the equilibrium price?
- 13
If demand is of unit elasticity,which of the following is true?
- 14
log29 . log58 . log925 = ?
- 15
According to the Richter scale, earthquake magnitude 7.0 is how many times greater than 5.0 ?
- 16
f : R → R, f(x) = -x + 3, if x ≤ 4 ; f(x) = -1, if x > 4. 3 f(-2) + 4 f(16) = ?
- 17
Which of the following statements is false?
- 18
What is the solution set of the inequality x-2>0?
- 19
What is the solution of log327?
- 20
Let the functions m: R→R, m(x)=(3/x)+7 and k: R→R, k(x)=3/(x-2), what is the value of m(k(1))?