Find the work done by F over the curve in the direction of increasing t.F = -7yi + 7xj + 2z7k; C: r(t) = cos ti + sin tj, 0 ? t ? 5
A. W = 0
B. W = 
C. W = 35
D. W = 70
Answer: C
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Determine the amplitude and range of the given function.y = - 
sin x
A. amplitude: 
; range: 
B. amplitude: 
; range: 
C. amplitude: - 
; range: 
D. amplitude: 
; range: 
Find the regression line for the given data. Round to two decimal places, if necessary.
A. y = 0.73x + 4.98 B. y = 0.63x + 4.88 C. y = 0.53x + 4.88 D. y = 0.43x + 4.98
Write the equation for the shape described.The circle with center at (-6, -2), passing through (-3, 2)
A. (x + 6)2 + (y + 2)2 = 25 B. (x - 2)2 + (y - 6)2 = 9 C. (x - 6)2 + (y - 2)2 = 25 D. (x + 2)2 + (y + 6)2 = 9
Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) = 
- 3
A. f-1(x) = x3 + 3
B. f-1(x) = (x + 3)3
C. f-1(x) = 
+ 3
D. f-1(x) = (x - 3)3