Use a graphing calculator to find f'(x) when x has the given value.f(x) = 2x2 - 3x; x = 8
A. 245.3333
B. 32x - 3
C. 29
D. 35
Answer: C
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Solve.The function A = A0e-0.0077x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 900 pounds of the material are initially put into the vault, how many pounds will be left after 80 years?
A. 506 lb B. 486 lb C. 413 lb D. 400 lb
Factor completely.64a6 + b3a3
A. a3(4a - b)(16a2 + 4ab + b2) B. a3(4a + b)(16a2 - 4ab + b2) C. (4a2 + ba)(16a4 - 4ba3 + b2a2) D. a3(4 + ab)(16 - 4ab + b2a2)
Solve the following system by any appropriate method. If there is no real number solution, so state.x2 + y2 = 9y = x - 3
A. (3, 0), (0, -3) B. (-3, 0), (3, 0), (0, -3), (0, 3) C. (-3, 0), (0, 3) D. no real solution
Use the quadratic formula to solve the equation.5x2 + 12x = - 6
A. 
, 
B. 
, 
C. 
, 
D. 
, 