| 1 |
tanh x = |
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| 2 |
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- A. f(x<sup>2</sup> + 1)
- B. f(x)
- C.
- D. f(x<sup>2</sup>)
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| 3 |
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- A. Undefined
- B. 3a<sup>2</sup>
- C. a<sup>2</sup>
- D. 0
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| 4 |
Cosh<sup>2</sup> x - Sinh<sup>2</sup> x = |
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| 5 |
f(x) is odd function. If and only if: |
- A. f(-x) = -f(x)
- B. f(-x) = f(x)
- C. f(x) = 3f(-x)
- D. f(x) = -3f(-x)
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| 6 |
A function, in which the variables are __________ numbers, then function is called a real valued function of real numbers. |
- A. Complex
- B. Rational
- C. Real
- D. None of these
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| 7 |
If the degree of a polynomial function is ------------, then it is called a linear function: |
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| 8 |
x<sup>2</sup> + y<sup>2</sup> = 4 is: |
- A. Function
- B. Not a function
- C. Ellipse
- D. Line
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| 9 |
Parametric equations x = a cos t, y = a sin t represent the equation of: |
- A. Line
- B. Circle
- C. Parabola
- D. Ellipse
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| 10 |
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- A. Continuous at x = 1
- B. Not continuous at x = 1
- C. Both a and b
- D. none
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