Solve the problem.Bob wants to fence in a rectangular garden in his yard. He has 62 feet of fencing to work with and wants to use it all. If the garden is to be x feet wide, express the area of the garden as a function of x.
A. A = 33x2 - x
B. A = 30x - x2
C. A = 31x - x2
D. A = 32x - x2
Answer: C
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In a certain city there is a river running through the middle of the city. There are three islands and seven bridges as shown in the figure below.
In the graph that models this situation, the degree of the vertex that represents the North Bank is
A. 1. B. 2. C. 4. D. 3. E. none of these
Write the equation of the graph after the indicated transformation(s). The graph of y = 
is shifted 4 units to the left. Then the graph is shifted 9 units upward.
A. y = 9
B. y = 
+ 9
C. y = 
+ 4
D. y = 
+ 9
Identify where f is increasing and where f is decreasing.f(x) = 
A. increasing: (-?, 4]; decreasing: [4, ?) B. increasing: (-?, -4]; decreasing: [-4, ?) C. increasing: [4, ?); decreasing: (-?, 4] D. increasing: [-4, ?); decreasing: (-?, -4]
Tell whether the relation is a function.
A. Function B. Not a function