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
(b) The height of a human as a function of time;
(c) The demand for Big
Group Problem 6
0 by multiplying both sides of the
inequality by x 3 to get x 4 0 . This led to a solution of x | x 4. Is the
(a) A student attempted to solve the inequality
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
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?
(c) What quan
Group Problem 5
The illustration shows the graph of a polynomial function.
(a) Is the degree of the polynomial even or odd?
(b) Is the leading coefficient positive or negative?
(c) Is the function even, odd, or neither?
(d) Why is (