Solve the problem.Sue wants to put a rectangular garden on her property using 70 meters of fencing. There is a river that runs through her property so she decides to increase the size of the garden by using the river as one side of the rectangle. (Fencing is then needed only on the other three sides.) Let x represent the length of the side of the rectangle along the river. Express the garden's area as a function of x.
A. A(x) = 34x - 
x2
B. A(x) = 36x - 2x2
C. A(x) = 35x - 
x2
D. A(x) = 35x2 - x
Answer: C
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You put a drink in the freezer to cool. When it is chilled, you take the drink out but, being forgetful, leave it sitting on the kitchen counter. The temperature D, in degrees, of the drink t minutes after it is put in the freezer is given by
?
.
?
When during the first 20 minutes is the drink the warmest, and what is its warmest temperature? Be careful. You are asked for the warmest temperature, not the coldest. Round your answers to two decimal places.
?
A. It reaches its warmest temperature of 72.00 degrees when it is first put in the freezer. B. It reaches its warmest temperature of 0.00 degrees when it is first put in the freezer. C. It reaches its warmest temperature of 20.00 degrees after 54.93 minutes. D. It reaches its warmest temperature of 54.93 degrees after 20.00 minutes.
Use the Pythagorean Theorem to find the missing length in the right triangle.
A. 2
B. 8
C. 64
D. 4
Solve the following inequality for x, where x is an integer.2x ? 16
A. x ? 
B. x ? 
C. x ? 4
D. x ? 4
Solve the equation.(-7x + 3)2 = 4(-7x + 3) + 5
A. 
B. 
C. {5, -1}
D. 