breroyalee2584
27.08.2019 •
Mathematics
Evaluate the function for x = –4c if c = –2. f(x)=-3x^2-4x
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Ответ:
c = -2
x = - 4c = -4 * (-2) = 8
f(x) = -3x^2 - 4x
x = 8
f(8) = -3 * 8^2 - 4 * 8 = -3 * 64 - 32 = -192 - 32 = -224
The correct result would be -224.
Ответ:
Her method will produce a valid sample.
Her method will produce a random sample.
Her method will produce a representative sample.
Step-by-step explanation: