Solve the problem.A company makes three chocolate candies: cherry, almond, and raisin. Matrix A gives the amount of ingredients in one batch. Matrix B gives the costs of ingredients from suppliers R and S. Multiply the matrices. 
A = 
B = 
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A. R S
AB = 
B. R S
AB = 
C. R S
AB = 
D. R S
AB = 
Answer: C
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Determine the domain and range of the function.f(x) = 7 - x2
A. Domain: (-?, ?) Range: [-7, ?) B. Domain: (-?, ?) Range: (-?, 7] C. Domain: (-?, ?) Range: (-?, -7] D. Domain: (-?, ?) Range: [7, ?)
Solve. Two cars leave an intersection. One car travels north, and the other travels east. When the car traveling north has gone 9 miles, the distance between the cars is 3 miles more than the distance traveled by the car heading east. How far has the eastbound car traveled?
A. 9 miles B. 18 miles C. 15 miles D. 12 miles
Solve the problem.The formula P = 153e0.033t models the population of a particular city, in thousands, t years after 1998. When will the population of the city reach 199 thousand?
A. 2007 B. 2006 C. 2008 D. 2009
Perform the matrix operation. 
+ 
=
A. 
B. Not defined
C. 
D. 