Without graphing the function, determine its amplitude or period as requested.y = -5 sin xFind the amplitude.
A. -5?
B. 
C. 5
D. 2?
Answer: C
Mathematics
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Write the number in scientific notation. One milligram is about 0.015430 grain.
A. 0.1543 × 10-1 B. 15.43 × 10-3 C. 1.543 × 10-2 D. 1.543 × 10-3 E. 0.015430 × 10-2
Mathematics
Find the rate as a ratio of distance to time. Round to the nearest hundredth where appropriate.45 m, 16 sec
A. 2.81 
B. 0.36 
C. 720.0 
D. 3.56 
Mathematics
Find the graph of the linear inequality.
?
?
?
A. ?
B. ?
C. ?
D. ?
Mathematics
Solve the equation using the quadratic formula.(3x - 2)(x + 1) = 0
A. 
, -1
B. 
, 1
C. 
, 0
D. 
, -1
Mathematics