Solve the problem.A car wheel has a 13-inch radius. Through what angle (to the nearest tenth of a degree) does the wheel turn when the car rolls forward 1 ft?
A. 52.9°
B. 62.9°
C. 57.9°
D. 67.9°
Answer: A
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Use the circle graph to solve the problem.The circle graph below gives the number of students in the residence halls at the state university.
Which residence hall has the third lowest number of students?
A. Evans B. Carver C. Dodge D. Brown
Find the vertex, focus, directrix, and focal width of the parabola.x = 8y2
A. Vertex: (0, 0); Focus: 
; Directrix: x = - 
; Focal width: 0.13
B. Vertex: (0, 0); Focus: 
; Directrix: x = 
; Focal width: 32
C. Vertex: (0, 0); Focus: 
; Directrix: x = - 
; Focal width: 0.13
D. Vertex: (0, 0); Focus: 
; Directrix: y = - 
; Focal width: 32
Find the total-profit function for the 
and 
functions.C(x) = 40x + 54,000R(x) = 100x
A. P(x) = 60x - 54,000 B. P(x) = 54,000 - 60x C. P(x) = -60x - 54,000 D. P(x) = 60x + 54,000
Find the derivative.f(x) = 
, find f'(x)
A. 
- 
B. x3/2 + 5
C. 
+ 
D. 
- 