Identify the base for the exponent.
A) tm
B) t
C) m
D) 3
C) m
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Determine from the graph whether the function has any absolute extreme values on the interval [a, b].
A.
| Absolute minimum only. |
B. Absolute maximum only.
C. Absolute minimum and absolute maximum.
D. No absolute extrema.
Identify where f is increasing and where f is decreasing.f(x) = x2 + 2x
A. increasing: [-1, ?); decreasing (-?, -1] B. increasing: (-?, -1]; decreasing [-1, ?) C. increasing: (-?, 2]; decreasing [2, ?) D. increasing: [2, ?); decreasing (-?, 2]
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 3.0. Round to the nearest hundredth. Entering GPA Current GPA 3.53.63.83.73.63.93.63.63.53.93.93.84.03.73.93.93.53.83.74.0
A. 3.76 B. 3.27 C. 3.56 D. 3.38
Solve the system of equations.x - y + z = 8x + y + z = 6x + y - z = -12
A. (-2, -1, 9) B. (2, -1, -9) C. (-2, -1, -9) D. (2, -1, 9)