Evaluate the function 
at f(7).
?
A. f(7) = 61
B. f(7) = 58
C. f(7) = 57
D. f(7) = 59
E. f(7) = 60
Answer: C
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Solve the problem.Ten students in a graduate program were randomly selected. Their grade point averages (GPAs) when they entered the program were between 3.5 and 4.0. The following data were obtained regarding their GPAs on entering the program versus their current GPAs. By using linear regression, the following function is obtained: 
where x is entering GPA and y is current GPA. Use this function to predict current GPA of a student whose entering GPA is 3.4. Entering GPA Current GPA 3.53.53.53.83.83.73.63.83.73.53.83.93.53.73.83.63.63.83.73.8
A. 3.68 B. 3.58 C. 3.29 D. 3.40
Write the number as the product of prime factors.175
A. 7 ? 7 B. 25 ? 5 C. 5 ? 5 ? 7 D. 25 ? 7
Solve the problem.A room in the shape of a triangle has sides of length 7 yd, 8 yd, and 13 yd. If carpeting costs $13.50 a square yard and padding costs $4.25 a square yard, how much to the nearest dollar will it cost to carpet the room, assuming that there is no waste?
A. $430 B. $327 C. $412 D. $418
Solve. Find the eccentricity of the hyperbola given by 
- 
= 1
Fill in the blank(s) with the appropriate word(s).