What is the inverse of the function f (x) = x + 3?

a. h (x) = 1/3x+3

b. h (x) = 1/3x - 3

c. h (x) = x-3

d. h (x) = x + 3

Slope of (21, 45) and (84, 87)

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How much times does 73 go into 141

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Richard buys, fixes, resells small devices, like the Mir487, which consistently needs a transistor replaced. He can buy the transistor for $8.10 and a broken Mir487 for $51.90. Once fixed, he resells the new Mir487 for $224.96.

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X^2-10x+21x2-10x+21