Solve.Find which is the better buy (lower cost per ounce) by finding each unit price rounded to three decimal places if necessary. Assume that different sizes of the same brand are being compared. Soy Sauce: $3.33 for 18 ounces $2.22 for 12 ounces
A. $3.33 for 18 ounces
B. $2.22 for 12 ounces
C. Both cost the same per ounce.
Answer: C
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Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.2 sin2 x = sin x
A. 
, 
B. 0, ?, 
, 
C. 
, 
, 
, 
D. 
, 
Multiply and simplify. Assume that all variables represent nonnegative numbers.4
(
+ 
)
A. 4
+ 7
B. 4
+ 28
C. 4
+ 7
D. 28
+ 28
Find a formula for the inverse of the function described below.A size 4 dress in Country C is size 42 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = x + 38
B. f-1(x) = 
C. f-1(x) = x - 38
D. f-1(x) = 
Answer the question or complete the sentence to make a true statement.In order to add -8 and -2, I should begin by finding the of the of -8 and -2.
A. Additive inverses, opposites B. Opposite, additive inverses C. Difference, absolute values D. Sum, absolute values