Find the work done by F over the curve in the direction of increasing t.F = -4zi + 2xj + 10yk; C: r(t) = ti + tj + tk, 0 ? t ? 1
A. W = 
B. W = 4
C. W = 8
D. W = 16
Answer: B
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Provide an appropriate response.Factor completely: 25x2 - 64y2
A. (5x + 8y)(5x - 8y) B. (5x - 8y)2 C. (5xy + 8)(5xy - 8) D. 25(x + 8y)(x - 8y)
Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) = 7 - x
A. f-1(x) = 7 - x
B. f-1(x) = 
C. f-1(x) = x - 7
D. f-1(x) = x + 7
Convert the measurement as indicated.30 pt to gallons
A. 3
gal
B. 7
gal
C. 4 gal
D. 1
gal
Solve the problem.The distance d (in miles) to the horizon at an altitude of h feet above sea level is given by the equation 
Simplify the right-hand side of the equation and determine what would be the distance from the top of a 1120 foot tall building to the horizon. Assume that the base of the building is at sea level. Round to the nearest tenth when necessary.
A. d = 
; 20.5
B. d = 3
; 100.4
C. d = 
; 142
D. d = 
; 41