Let B denote the price of a bag of groceries at time t. It is found that 
is negative at 
. What can be concluded about the graph of B at the point ![]()
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??
A. The price of groceries reaches a maximum at 
.
B. The price of groceries reaches a minimum at .
C. The price of groceries is increasing at .
D. The price of groceries is decreasing at .
Answer: D
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Perform the indicated operation and write the answer in the form 
where a and b are real numbers.(3 + 4i) - (-6 + i)
A. -3 + 5i B. 9 + 3i C. -9 - 3i D. 9 - 3i
Solve.3
= 4
A. no solution B. x = 7 C. x = 8 D. x = -7
Graph the linear equation and determine its slope, if it exists.2x - 5y = 20
A. slope = - 
B. slope = - 
C. slope = 
D. slope = 
Solve for x. Check your answers.x - 9 = -14
A. x = -5 B. x = 23 C. x = 5 D. x = -23