Solve the problem.The number of milligrams of a certain compound, C, produced in a chemical reaction with temperature at x, in degrees Celsius, can be modeled by the formula  C = 0.013x2 - 1.19x + 28.24.According to the formula, at what temperatures is the chemical reaction expected to produce 8 milligrams of the compound? Use a calculator and round answers to the nearest milligram.

A. 68 ° C and 24 ° C
B. 70 ° C and 22 ° C
C. 68 ° C and 22 ° C
D. 69 ° C and 23 ° C


Answer: D

Mathematics

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