Precalculus I--Part 2--Test 4

Precalculus Practice Exam

Part 2 Test 4 Time: 1 hour

Solve for x:
Define and give a graphical example of the following terms:
- Function,
- One-to-one function,
- Polynomial function, and
- Rational function.
Find all the real zeros of the polynomial
Given the function where a,b,c,d,e and f are integers and a>0,
- Determine the right-hand and left-hand behavior of the graph of f(x).
- If -5 and 5 are zeros of f(x), and if f(-2)=12, f(0)=-18,and f(2)=50, how many real zeros does the function f(x) have?
Given f(x)=(x-1)(x-2)(x+1), find c so that the only real zero of f(x)+c is -2.
Find a polynomial of degree 10 that has zeros 2-3i,7,8,-4, and 5-i. You do not have to simplify your answer.

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Mon Jun 30 12:19:47 MDT 1997