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williampagan9532
24.04.2020 •
Mathematics
Simplify (4x + 7) – (-3x – 9) + 9x – 28.
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Ответ:
= 16x - 30
Step-by-step explanation:
(4x + 7) – (-3x – 9) + 9x – 28
4x + 3x + 9x + 7 - 9 - 28
= 16x - 30
Ответ:
The answer is below
Step-by-step explanation:
Function is a rule, or law that defines the relationship between one variable (the independent variable) and another variable (the dependent variable)
a) fog = f[g(x)] = f(1 - 2x) = 1 - 2x + 5 = 6 - 2x
b) foh = f[h(x)] = f(x - 2) = x - 2 + 5 = x + 3
c) goh = g[h(x)] = g(x - 2) = 1 - 2(x - 2) = 1 - 2x + 4 = 5 - 2x
d) gof = g[f(x)] = g(x + 5) = 1 - 2(x + 5) = 1 - 2x - 10 = 9 - 2x
e) hof = h[f(x)] = h(x + 5) = x + 5 - 2 = x + 3