Find all the critical numbers of the function.f(x) = 
x3 - 
x2 - 15x + 2
A. 3
B. -3, 
C. - 
, 3
D. - 
, 
Answer: C
Mathematics
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Find the special products using patterns.(5a + 9c)(5a - 9c)
A. 25a2 - 81c2 B. 25a2 + 90ac - 81c2 C. 5a2 - 9c2 D. 25a2 - 90ac - 81c2
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Solve for the unknown in the equation.76 = 10S + 6
A. S = 64 B. S = 7 C. S = 1 D. S = 60
Mathematics
Find the length of the line segment.
A. 12 B. 11 C. 10 D. 9
Mathematics
Decide whether the equation describes a function.y - x = 6
A. yes B. no
Mathematics