Use the order of operations to simplify the expression.[36 - (4 + 6) ÷ 2] - [1 + 12 ÷ 3]
A. 23
B. 21
C. 33
D. 26
Answer: D
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Find the limit if it exists.
(x + 1)2(x - 3)3
A. -1125 B. -125 C. 9 D. 1
Factor by grouping.8x2 + 10xt + 3t2
A. (8x + t)(x + 3t) B. (2x - t)(4x - 3t) C. prime D. (2x + t)(4x + 3t)
Solve each problem.Le Boulangerie, a bakery, sells four main items: sweet rolls, bread, cakes, and pies. The amount of each ingredient (in cups, except for eggs) required for these items is given by matrix A. Eggs Flour Sugar Shortening Milk
= A
The cost (in cents) for each ingredient when purchased in large lots or small lots is given in matrix B. Cost
Large Lot Small Lot
= B
Use matrix multiplication to find a matrix giving the comparative cost per bakery item for the two purchase options.
A. 
B. 
C. 
D. These matrices cannot be multiplied.
Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = -2x2 - 20x - 53 
A. vertex (-5, -3)
intercept (0, -53)
B. vertex (5, -3)
intercept 
C. vertex (-5, -3)
intercept 
D. vertex (5, -3)
intercept (0, -53)