Solve the problem.The temperature of water in a certain lake on a day in October can be determined by using the model 
where x is the number of feet down from the surface of the lake and y is the Celsius temperature of the water at that depth. Based on this model, how deep in the lake is the water 12 degrees? (Round to the nearest foot.)
A. 6 ft
B. 25 ft
C. 62 ft
D. 51 ft
Answer: A
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Use a tree diagram showing all possible results when a die is rolled twice. List the ways of getting the following result.The sum of the numbers showing is 5.
A. (1,4),(2,3),(3,2),(4,1) B. (2,3),(4,1) C. (2,3),(3,2) D. (3,2),(4,1)
Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
Given that line l is parallel to line m, identify the specified angles.All pairs of corresponding angles. 
A. ?4 and ?1; ?3 and ?2; ?5 and ?8; ?6 and ?7 B. ?3, ?2 , ?7, and ?6 C. ?4 and ?2; ?5 and ?7; ?3 and ?1; ?6 and ?8 D. ?4 and ?8; ?5 and ?1; ?3 and ?7; ?6 and ?2
Write the equation of a polynomial function with the given characteristics. Use a leading coefficient of 1 or -1 and make the degree of the function as small as possible.Crosses the x-axis at -1, 0, and 4; lies above the x-axis between -1 and 0; lies below the x-axis between 0 and 4.
A. f(x) = x3- 3x2 - 4x B. f(x) = -x3 + 3x2 + 4x C. f(x) = x3+ 3x2 - 4x D. f(x) = - x3- 3x2 + 4x