Solve. Provide answers in interval notation.(x + 2)(x - 5) < 0
A. (-?, -2)
B. (5, ?)
C. (-2, 5)
D. (-?, -2) ? (5, ?)
Answer: C
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The quantity demanded each week x (in units of a hundred) of the Mikado miniature camera is related to the unit price p (in dollars) by the demand equation 
.
?
Is the demand elastic or inelastic when 
?
?
__________
?
Is the demand elastic or inelastic when 
?
?
__________
?
When is demand unitary? If it is necessary round the answer to two decimal places.
?
Hint: Solve 
for p.
?
p = __________
?
If the unit price is lowered slightly from $18, will the revenue increase or decrease?
?
__________
?
If the unit price is increased slightly from $24, will the revenue increase or decrease?
?
__________
What will be an ideal response?
Solve the system algebraically.y = 5x + 35y = 3x + 19
A. (-8, -5) B. (5, 8) C. no solution D. (8, -5)
Solve for x.
= 39
A. -2 B. 3 C. 5 D. 24
The following stem-and-leaf plot gives the heights of the 20 highest mountains in two continents. Use the plots to answer the question. 
Which of the two continents contains the highest mountain?
A. Continent X B. Continent Y