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ECAT → Engineering Colleges Admission Test (ECAT) Sample Questions (Mathematics Section)

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**1.** _{}

(A) *e ^{x}*

(B) ln

*x*

(C) log

*x*

(D) 10

*e*

^{x}**2.** Which from the following is NOT a function?

(A) *xy*^{2} – 2 = 0

(B) *x*^{2}*y* – 2 = 0

(C) 2*x*^{2} – *y* = 0

(D) All are functions

**3.** What is the vector from (2,–6,4) to (1,2,7) ?

(A) i–8j+3k

(B) i+8j–3k

(C) –i+8j+3k

(D) –i–8j+3k

**4.** All values that could be putted into the function for which the function is defined and have real values is called __________ of the function.

(A) domain

(B) range

(C) validity test

(D) reliability

**5.** Evaluate

(A) 1

(B) –1

(C) 2

(D) –2

**ANSWERS: ECAT SAMPLE QUESTIONS**

1. C

2. A

3. C

4. A

5. D