kiwipup16
27.01.2020 •
Mathematics
John ran the 100-m dash with a time of 9.98 sec. if this pace could be maintained for an entire 26 dash mi marathon, what would his time be? (notice that 1 m almost equals 3.281 ft and 1 mi equals 5280 ft. right parenthesis
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Ответ:
(d) 9
Step-by-step explanation:
f(x) = 3x + 2
g(x) = - 2x + 1
g(f(x)) = - 2(3x + 2) + 1 = - 6x - 4 + 1 = - 6x - 3
g(f(-2)) = - 6(- 2) - 3 = 9