Evaluate the expression.-73
A. 21
B. -21
C. -343
D. 343
Answer: C
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Graph the linear function and give the domain and range.f(x) = 
x
A. D = (-?, ?), R = (-?, ?)
B. D = (-?, ?), R = (-?, ?)
C. D = (-?, ?), R = (-?, ?)
D. D = (-?, ?), R = (-?, ?)
For the given function, find the rate of change.y = 700 - 6x
A. 5 B. 700 C. -6 D. 6
For the smooth curve r(t), find the parametric equations for the line that is tangent to r at the given parameter value 
r(t) = (9 sin t)i - (6 cos 5t)j +e-9tk ; to = 0
A. x = 9, y = -6t, z = -9 + t B. x = 9t, y = -6, z = 1 - 9t C. x = 9t, y = -6, z = 1 - t D. x = 9t, y = 6, z = 1 + t
Factor out the greatest common factor. Be sure that the coefficient of the term of highest degree is positive.72x7y9 + 96x4y5 + 60x2y2
A. 12(6x7y9 + 8x4y5 + 5x2y2) B. x2y2(72x5y7 + 96x2y3 + 60) C. 12x2y2(6x5y7 + 8x2y3 + 5) D. 12x2(6x5y9 + 8x2y5 + 5y2)