Solve the problem.On a flywheel with a 79.9-mm radius, how long is an arc subtended by a central angle of 4.07 rad?
A. 325 mm
B. 12,991 mm
C. 650 mm
D. 2043 mm
Answer: A
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Determine whether or not the equation is quadratic.x2 = (x - 2)2
A. Quadratic. B. Not quadratic.
Solve the right triangle. If two sides are given, give angles in degrees and minutes.
B = 62°14', b = 8 kmRound side lengths to one decimal place.
A. A = 27°46'; c = 9.0 km; a = 4.2 km B. A = 27°46'; c = 17.2 km; a = 4.2 km C. A = 27°46'; c = 17.2 km; a = 9.0 km D. A = 27°46'; c = 9.0 km; a = 17.1 km
Find the gradient field F of the function f.f(x, y, z) = ln
+ z10
A. F = 
i + 
j + 
k
B. F = 
i + 
j + 
k
C. F = 
i + 
j + 
k
D. F = 
i + 
j + 
k
Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = x2 - 5x + 4
A. Increasing on 
; decreasing on 
B. Increasing on 
; decreasing on 
C. Increasing on 
; decreasing on 
D. Increasing on 
; decreasing on 