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Math·Algebra·Linear functions

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$G(x)=\frac{7}{4}(x-250)+28$. The function $G$ gives the temperature, in degrees on a laboratory scale G, that corresponds to a temperature of $x$ kelvins. If a temperature increased by 16.80 kelvins, by how much did the temperature increase, in degrees G?

A

29.40

B

437.00

C

465.00

D

57.40