alaynajk04
15.12.2021 •
Mathematics
Which of the following is equivalent to the function f(x) = 2x² + 8 when the domain of f is x = 3
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Ответ:
0, 10, 42
Step-by-step explanation:
f(x) = 2x² - 8
for x = -2
f(-2) = 2(-2)² - 8 = 2(4) - 8 = 8 - 8 = 0
for x = 3
f(3) = 2(3)² - 8 = 2(9) - 8 = 18 - 8 = 10
for x = 5
f(5) = 2(5)² - 8 = 2(25) - 8 = 50 - 8 = 42
Ответ:
10 + a / 2 = 8
10 + a = 16
a = 6
2 + b / 2 = 1
2 + b = 2
b = 0
so V(6, 0)