ignacio73
09.12.2019 •
Mathematics
Find each function value : f(-3) if f(x)=2x-8
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Ответ:
F(-3) = -14
Step-by-step explanation:
Substitute -3 for x.
2x - 8
2(-3) - 8 = -6 - 8 = -14
Ответ:
AC ≈ 67.9
Step-by-step explanation:
15² = 9 (3x + 1 + 9)
225 = 9 (3x + 10)
225 = 27x + 90
135 = 27x
x ≈ 19.29
AC = (3x + 1 + 9)
AC = 3 (19.2857...) + 1 + 9
AC = 57.857... + 1 + 9
AC = 57.857... + 10
AC ≈ 67.9