A student decides she wants to save money to buy a used car, which costs $2600. She comes up
with what she thinks is a very modest savings plan. She decides to save 2 cents the first day and
double the amount she saves each day thereafter. On the second d

Group Problem 1
Match each of the following functions with the graph that best
describes the situation
(a) The height of an egg dropped from a 300foot building as a function
of time;
(b) The height of a human as a function of time;
(c) The demand for Big

Group Problem 6
x 4
0 by multiplying both sides of the
x3
inequality by x 3 to get x 4 0 . This led to a solution of x | x 4. Is the
student
(a) A student attempted to solve the inequality
correct? Explain.
No, she did not. When you multiply by a negativ

Group Problem 2
(a) Use table of values to graph y
coordinate axes graph y x and y
observe?
When you graph these
points, you will find
that both of these form
a cube function graph.
(b) The area under the curve y
x . Then on the same set of
x . What p

Group Problem 4
The price p and the quantity x sold of a certain product obey the demand equation below
x 2 p 52 ; 0 p 30
(a) Express the revenue R as a function of x ( R xp ).
R= 26x- 1/2x^2
(b) What is the revenue if 38 units are sold?
266
(c) What quan

Group Problem 5
The illustration shows the graph of a polynomial function.
x
(a) Is the degree of the polynomial even or odd?
EVEN
(b) Is the leading coefficient positive or negative?
Positive
(c) Is the function even, odd, or neither?
Even
2
(d) Why is (