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

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1.
(A) e^x
(B) lnx
(C) logx
(D) 10e^x

2. Which from the following is NOT a function?
(A) xy² – 2 = 0
(B) x²y – 2 = 0
(C) 2x² – 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