Find the coordinates of the vertex for the parabola defined by the given quadratic function.f(x) = 8 - (x + 5)2
A. (8, -5)
B. (-5, 8)
C. (5, 8)
D. (8, 5)
Answer: B
Mathematics
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Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.
A. f(0, 0) = 2, saddle point; f(6, 6) = 2,594, local maximum B. f(6, 0) = 2, local minimum; f(0, 6) = 2, local minimum C. f(0, 0) = 2, test is inconclusive D. f(6, 6) = 2,594, local maximum
Mathematics
Solve the equation.
- 
= 9
A. 
B. {45}
C. {81}
D. {45}
Mathematics
Solve the problem, using 3.14 for ?. Round to nearest tenth unless instructed differently.Find the area of the circular racetrack.(Use 3.14 for ?. Round to the nearest foot.) r = 85 ft R = 115 ft
A. 11,304 ft2 B. 22,687 ft2 C. 18,840 ft2 D. 41,527 ft2
Mathematics
Multiply.
 figure 1.png)
Mathematics