Find the amplitude, period and mid-line. Also, find the maximum and minimum.
y = 3cos (4t ) ?1
Amplitude: 3; period: ? / 2; mid-line: y = ?1; maximum: 2; minimum: ?4 .
Mathematics
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What part of the object or set of objects is shaded?What part of the inch is highlighted? 
A. 
B. 
C. 
D. 
Mathematics
Identify the constant term, leading term, and leading coefficient of the polynomial.-x - 4x2 - 3x3 - 2x5 + 3
A. 3 ; -2x5 ; -2 B. -3 ; -2x5 ; -2 C. 3 ; 2x5 ; 2 D. -2 ; -x ; -1
Mathematics
Solve the proportion.
= 
A. x = 6
B. x = -5
C. x = 
D. x = - 
Mathematics
Solve the problem.The windchill temperature was -
, and the actual temperature was 
Find the difference between the actual temperature and the windchill temperature.
A. 17° B. 9° C. 19° D. 34°
Mathematics