| 1 |
Which one is an exponential function ? |
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| 2 |
x<sup>2</sup> + y<sup>2</sup> = 4 is: |
- A. Function
- B. Not a function
- C. Ellipse
- D. Line
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| 3 |
A function P(x) = 6x<sup>4</sup> + 7x<sup>3</sup> + 5x + 1 is called a polynomial function of degree -------- with leading coefficient -------. |
- A. 4, 6
- B. 2, 7
- C. 2, 3
- D. 2, 5
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| 4 |
If f(x) = |x|, f(x) is a: |
- A. Constant function
- B. Absolute function
- C. Linear function
- D. Quadratic function
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| 5 |
If y is an image of x under the function f, we denote it by: |
- A. x = f(y)
- B. x = y
- C. y = f(x)
- D. f(x, y) = c
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| 6 |
If y = (x), then the variable x is called --------- variable of a function f. |
- A. Dependent
- B. Independent
- C. Image of y
- D. None of these
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| 7 |
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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| 8 |
Which one is a constant function ? |
- A. f(x) = x<sup>2</sup>
- B. f(x) = x
- C. f(x) = x + 1
- D. f(x) = 14
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| 9 |
The area A of a circle as a function of its circumference C is: |
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| 10 |
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- A. 4
- B. Does not exist
- C.
- D.
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