Determine whether the given quadratic function has a minimum value or maximum value. Then find the minimum or maximum value and determine where it occurs.f(x) = -x2 + 2x - 6
A. Minimum is - 5 at x = 1.
B. Maximum is 1 at x = - 5.
C. Minimum is 1 at x = - 5.
D. Maximum is - 5 at x = 1.
Answer: D
Mathematics
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Provide an appropriate response.Determine whether the given conditions are sufficient to prove that ?MNO ? ?STU. Justify your answer. 
? 
, 
? 
, ?N ? ? T
A. Conditions are insufficient. B. Yes; SAS C. Yes; CPCTC D. Yes; SSS
Mathematics
Solve.The formula for calculating simple interest is I = prt. If the amount of interest, I, is $33.60, the principal (amount of money invested), p, is $210.00, and the rate of interest, r, is 8%, find the amount of time, t.
A. t = 0.2 yr B. t = 564.48 yr C. t = 5.6448 yr D. t = 2 yr
Mathematics
Simplify.
A. 
B. 
C. 1
D. 
Mathematics
Find the exact value. cos85° cos40° + sin85° sin40°
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Mathematics