Quiz 12

  1. Without a calculator, consider what happens to the function f(x) = cos(x) when the underlying unit circle has a radius of 4. Express a new function that gives the x-coordinate of points on the circle at given radii x, and sketch the function neatly showing the value at standard ...
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Quiz 4

  1. $f(x) = 2x + 5$, $g(x) = x - 2$.
    1. What is $(f \circ g)(x)$?
    2. What is $(g \circ f)(x)$?
    3. What are the domain and range of the functions in a and b?
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Quiz 3

  1. What are the domain and range of the function $f(x) = \frac{\sqrt{x+3}}{x+2}$?
  2. Give a function that has the same domain, but a different range from the function $g(x) = -\sqrt{x - 4}$
  3. The function $t(r) = \frac{h\pi r^2}{R}$ models the time ...
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Quiz 1

  1. What values of $x$ are possible inputs to the function $f(x) = \sqrt{x + 2}$? What are the possible outputs of this function?
  2. Give another function that has the same set of possible inputs, but a different set of possible outputs.
  3. Give another function that has the same set of ...
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