Find the transform of the given function of s.F 
= 
A. f 
= - 
e-4t + 
e-5t + 
e2t
B. f 
= - 
e4t + 
e5t + 
e-2t
C. f 
= 
e-4t + 
e-5t + 
e2t
D. f 
= - 
e-4t + 
e-5t + 
e2t
Answer: A
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Solve the problem.A rock falls from a tower that is 464 feet high. As it is falling, its height is given by the formula 
How many seconds (in tenths) will it take for the rock to hit the ground (h = 0)?
A. 13,456 sec B. 21.2 sec C. 21.5 sec D. 5.4 sec
Solve the problem.Find the equation of a circle in standard form that is tangent to the line x = -3 at (-3, 5) and also tangent to the line x = 9.
A. (x - 3)2 + (y - 5)2 = 36 B. (x + 3)2 + (y - 5)2 = 36 C. (x + 3)2 + (y + 5)2 = 36 D. (x - 3)2 + (y + 5)2 = 36
Determine the slope and y-intercept of the function.f(x) = 
x - 3
A. m = - 
; b = 3
B. m = 4; b = 3
C. m = - 3; b = 
D. m = 
; b = - 3
Factor out the greatest common factor.108x7y9 - 96x5y6 - 72x2y2
A. 12x2y2(9x5y7 - 8x3y4 - 6) B. 12(9x7y9 - 8x5y6 - 6x2y2) C. 12x2(9x5y9 - 8x3y6 - 6y2) D. No common factor