College Algebra

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Across
  1. 4. the set of the X values of the points of a function
  2. 6. the horizontal axis on a graph
  3. 7. The composite of g with f, denoted g ○ f is defined by the formula (g ○ f)(x) = g(f(x)).
  4. 12. b^2-4ac
  5. 13. the vertical axis on a graph
  6. 19. the shape of the graph of a quadratic is this
  7. 22. a set of points in the plane.
  8. 23. where the graph crosses the y-axis
  9. 24. A set of points in the plane represents y as a function of x if and only if no two points lie on the same vertical line.
  10. 26. The ___ of a function f are the solutions to the equation f(x) = 0. In other words, x is a zero of f if and only if (x, 0) is an x-intercept of the graph of y = f(x).
  11. 27. A relation in which each x-coordinate is matched with only one y-coordinate is said to describe y as a ____ of x.
  12. 28. y=mx+b
  13. 29. −b±√(b^2−4ac) / 2a
  14. 30. Functions f and g are ______ if and only if...(f(g(x))=x for all x in the domain of f
Down
  1. 1. The value b is called the Absolute _____ of f if b≤ f(x) for all x in the domain of f.
  2. 2. A _____ number is a number of the form a+bi,where a and b are real numbers.
  3. 3. Find the coefficient with the largest absolute value. Divide this value by the absolute value of the leading coefficient. Call this number M. All real zeros lie in the interval [-(M+1),(M+1)].
  4. 5. A _____ function is a polynomial function divided by another polynomial function,
  5. 8. the set of the Y values of the points of a function
  6. 9. where the graph crosses the x-axis
  7. 10. f(x+h)-f(x)/h
  8. 11. write the domain in ____ notation
  9. 14. the square root of a negative number is an _____ number
  10. 15. The Fundamental Theorem of _____: Suppose f is a polynomial function with complex number coefficients of degree n 1, then f has at least one complex zero.
  11. 16. testing points to see if they are positive or negative within an interval by creating a number line is called a ___ diagram
  12. 17. the _____ of a zero, c, is the number of times that its associated factor,(x − c), is in the polynomial.
  13. 18. _____ as rate of change...m=Y/X
  14. 20. The value b is called the Absolute _____ of f if b≥ f(x) for all x in the domain of f.
  15. 21. If a factor in the denominator of a rational function cancels with a factor in the numerator, then the factor’s zero will be the location of a ____ in the graph of the function.
  16. 25. The ______ of a complex number a+bi is the number a-bi.