Write the sentence as a linear equation in two variables. Then graph the equation.The y-variable is 2 less than 5 times the x-variable.
A. y = 2 - 5x 
B. y = 5(x - 2)
C. y = 2x - 5
D. y = 5x - 2
Answer: D
Mathematics
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Find the curvature of the space curve.r(t) = (7 t sin t + 7 cos t)i + 7j + (7t cos t - 7 sin t)k
A. ? = 
B. ? = 7t
C. ? = 
D. ? = - 
Mathematics
Use limits to find the derivative function f' for the given function f. Then evaluate f'(a) for the given values of a.f(s) = 
; a = -1, 
A. f'(s) = 
; f'(-1) = 
, f'
= 
B. f'(s) = 
; f'(-1) = 3, f'
= 
C. f'(s) = 
; f'(-1) = 3, f'
= 
D. f'(s) = 
; f'(-1) = - 
, f'
= 
Mathematics
The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = -5 + 9 cos tFind the body's velocity at time t = ?/3 sec.
A. - 
m/sec
B. 
m/sec
C. 
m/sec
D. - 
m/sec
Mathematics
Convert to fraction notation.7
A. 
B. 
C. 
D. 
Mathematics