A Preponderance of Pre-Calculus

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Across
  1. 4. Line about which a parabola is symmetric
  2. 8. Set of all Y values
  3. 10. f(x)=f(-x) and the graph is symmetric with respect to the y-axis
  4. 11. (f(x+h)-f(x))/h
  5. 15. The logarithmic function with base 10
  6. 16. Set of all X values
Down
  1. 1. The number a + bi, where a is the real part and bi is called the imaginary part
  2. 2. An arrangement of objects where order matters
  3. 3. f(x) = ln x
  4. 5. Angles that have the same initial and terminal sides
  5. 6. An angle formed by the terminal side of an angle and the x axis
  6. 7. (a+bi) and (a-bi)
  7. 9. A shortcut for long division of polynomials when dividing by divisors of the form x - k.
  8. 12. A subset of a set of n elements in which the order is not important
  9. 13. -f(x)=f(-x)
  10. 14. A circle of radius 1 centered at the origin and given by the equation x^2 + y^2 = 1