Part 2
| Test 3
| Time: 3 hours
|
- Find a rational function with vertical asymptotes at
and a horizontal asymptote at y=3.
Answer:
c)
.
- Find the slant asymptote to .
Answer:
d) f(x)=x+2.
- Find the equation of a polynomial with zeros x=3 and
x=3+2i.
Answer:
c)
.
- Find all the real zeros of the polynomial
. What is the largest rational zero?
Answer:
a) 1.
- Divide by . What is the
quotient?
Answer:
a) 3x-2.
- Multiple and write the result in standard form: (10-8i)(2-3i).
Answer:
c) -4-46i.
- The path of a ball is given by
where y is the height in feet and x is the horizontal distance in
feet. Find the maximum height of the ball.
Answer:
b) 50 feet.
- Find the exact vertex of the parabola .
Answer:
d)
.
- Find the constant in the equation of the parabola with vertex
(3,4) with point (1,8).
Answer:
a) 13.
- What is the difference between the graphs of f(x) and
Answer:
a) The graph of g(x) is the graph of f(x) shifted to the
right 4 units, and up 3 units.
- What is the remainder when you divide by x-4 using synthetic division?
Answer:
b) 3.
- Find the upper bound of the zeros of
using synthetic division.
Answer:
d) 5.
- Simplify and write in standard form a+bi:
. Find the value of a.
Answer:
a)
.
- How many real solutions does
have?
Answer:
a) 1.
- Find the domain of the function
.
Answer:
c) All real numbers except .
- Find the horizontal asymptote of the function
.
Answer:
b) y=3.
- Find the vertical asymptote to the right of the x-axis of the
function .
Answer:
c) x=1.
- Without using a calculator, approximate the value of
at x=10,000,000,000.
Answer:
d) 3
- Let x be the amount (in hundredths of dollars) a company
spends on advertising, and let P be the profit, where
. How much advertising will yield a
maximum profit?
Answer:
b) $ 2,000.
- Given , find .
Answer:
b)
.
- Is a circle a function?
Answer:
a) No.
- Is a parabola a one-to-one function?
Answer:
a) No.
- The formula represents the volume
of a cone. Find x in terms of the other variables.
Answer:
c)
.
- Factor . What is the sum of the factors?
Answer:
c)
.
- On what interval(s) is the function decreasing?
Answer:
d)
.
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Fri Oct 10 12:36:23 MDT 1997
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