LyannP492715 LyannP492715

26-10-2022
Mathematics

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A function is described by y = 2x^2 - 5x -3. What is the value of y when x = -1?A. -10B. -6C. -2D. 0E. 4

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TaylynG713758 TaylynG713758

26-10-2022

y=2x² - 5x - 3

To find the value of y when x = -1, simply substitute x = -1 in the above and then evaluate

y = 2(-1)² - 5 (-1) - 3

y = 2 (1) + 5 - 3

y = 2 + 5 - 3

y = 4

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