Pikachu is right.
Undetermined Coefficients (that we learn here) only work when f(x) is a polynomial, exponential, sine, cosine, or a linear combination of those.
And,
As we can see that the equation given is a Polynomial,
So, Pikachu is right.
Learn more about Polynomial:
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Answer:
y = 6.4
Step-by-step explanation:
1.1 = 13.9 - 2y
-12.8 = -2y
6.4 = y
Answer: x = 7
Step-by-step explanation:
F(x) = -4x - 5
Subtitute the value of x to the equation:
f(-1) = -4 · (-1) - 5 = 4 - 5 = -1