Solve the problem.Every Sunday, Jarod buys a loaf of fresh bread for his family from the corner bakery for $4.00. The local department store has a sale on breadmakers for $61. If the bread-making supplies cost $0.67 per week, for how many weeks would Jarod have to bake a loaf of bread at home before the breadmaker starts saving him money?
A. At least 20 weeks
B. At least 19 weeks
C. At least 18 weeks
D. At least 21 weeks
Answer: B
Mathematics
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B. 
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Find the derivative of the function at the given point in the direction of A.
A = 3i - 4j
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B. - 
C. - 24
D. - 
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Use a quantifier to make the following true or false, as indicated, where x is a natural number.12x = 5x + 7x (make false)
A. More than one natural number x exists such that 12x = 5x + 7x. B. For every natural number x, 12x = 5x + 7x. C. There exists a natural number x such that 12x = 5x + 7x. D. There is no natural number x such that 12x = 5x + 7x.
Mathematics
Perform the operation, if possible.
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B. 
C. 
D. 
Mathematics