Solve.In an advertisement, two digital cameras offer the same features and quality. Digital camera A is reduced 20% from the original price of $650, and the manufacturer gives a discount of $40. Digital camera B is reduced 15% from the original price of 
and the manufacturer gives a discount of 
Which digital camera is a better deal?
A. A sale price: $480
B sale price: $472.50 (better buy)
B. A sale price: $552.50
B sale price: $520 (better buy)
C. A sale price: $560 (better buy)
B sale price: $632.50
D. A sale price: $472.50 (better buy)
B sale price: $480
Answer: A
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Solve the equation.2x2 - 7x - 9 = 0
A. x =
, -1
B. x = 
, 1
C. x = 
, -1
D. x = 
, 0
Find the derivative of y with respect to x.y = cos-1 (5x2 + 4)
A. 
B. 
C. 
D. 
Given the polynomial function f(x), find the rational zeros, then the other zeros (that is, solve the equation 
), and factor f(x) into linear factors.f(x) = x3 + 5x2 + 25x + 125
A. -5, -5i, 5i; f(x) = (x + 5)(x + 5i)(x - 5i)
B. -
, multiplicity 2; 5i; f(x) = (x + 
)2(x - 5i)
C. -5, 125i, 25i; f(x) = (x + 5)(x - 125i)(x - 25i)
D. -5, -
, multiplicity 2; f(x) = (x + 5)(x + 
)2
Find.
?
Fill in the blank(s) with the appropriate word(s).