Simplify. Write the answer as a mixed number as needed.
- 
? 1
A. 3
B. 
C. 
D. 
Answer: B
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Replace the polar equation with an equivalent Cartesian equation.r = 3 cot ? csc ?
A. y = 
B. y2 = 3x
C. y = 3x
D. y = 3x2
Solve the problem.At Allied Electronics, production has begun on the X-15 Computer Chip. The total cost function is given by 
and the total profit function is given by 
, where x represents the number of boxes of computer chips produced. The total revenue function, R(x), is such that 
. Find R(x).
A. R(x) = 49x - 0.3x2 B. R(x) = 46x - 0.6x2 C. R(x) = 47x + 0.3x2 D. R(x) = 47x - 0.3x2
Solve.An engineer is constructing a rectangular solar-energy panel for a satellite. The panel has a width of 
and a length of 
+ 4. Find the area of the panel in square inches.
A. 2
+ 7 square inches
B. x + 12
square inches
C. x + 7
+ 12 square inches
D. x + 12 square inches
Insert < or > between the pair of numbers to form a true statement.-86 _____ -87
A. > B. <