Solve the equation.x2 + 3x - 4 = 0
A. -1, 4
B. -1, - 4
C. -4, 0
D. 1, - 4
Answer: D
Mathematics
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Graph the function on the indicated interval.y = 
sin (?x), 0 ? x ? 2 
A. 
B. 
C. 
D. 
Mathematics
The quantity demanded x (in thousands of pounds) of a certain brand of butter per week is a continuous random variable with probability density function
?
?
What is the expected demand for this brand of butter per week?
?
__________ lb/wk
Fill in the blank(s) with the appropriate word(s).
Mathematics
Perform the indicated operation.-39 + 51
A. -12 B. -90 C. 90 D. 12
Mathematics
Insert <, >, or = to make the statement true.|-3| _____ -2
A. = B. > C. <
Mathematics