If f (x) = 2x2 + 3, then which of the following represent f (-1) ?

A. - 1

B. 1

C. 4

D. 5

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Jonah goes to the store to buy three notebooks and four pencils. his total is $8.50. if the cost of one notebook is ten times the cost of one pencil, write and solve an algebraic equation to determine the cost of one notebook and pencil.

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