Express the interval in set-builder notation and graph the interval on a number line.[-1, 9]
A. {x 
}
B. {x 
}
C. {x 
}
D. {x 
}
Answer: A
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Solve the problem.Use the following table, which shows the average price for a new beverage that is served at a coffee chain. Let the 10 selected regions represent the universal set. Use the list to represent the set in 
form.
{x|x is a region in which the average price of the new beverage is at most $6.00}
A. {E, F, G, H, K, L} B. {A, B, C} C. {A, B, C, D} D. {D, E, F, G, H, K, L}
Find the perimeter of the figure.
A. 78 ft B. 58 ft C. 39 ft D. not enough information given
Either the dimensions of two matrices or the matrices themselves are given. Find the dimensions of the product AB and the product BA. If either is not defined, say so.A = 
; B = 
.
A. AB is 2 × 2; BA is 1 × 1. B. AB is not defined; BA is 2 × 2. C. AB is 1 × 1; BA is not defined. D. AB is 1 × 1; BA is 2 × 2.
For the given function expressed verbally, give a graphical representation. Bob buys a car that gets 9 miles per gallon of gasoline. Give a representation to compute the number of miles, y , that Bob can travel with x gallons of gasoline. Let 0?x?10.
A. 
B. 
C. 
D. 