Step-by-step explanation:
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Answer:
2i or -2i
2x² = -8 First, clear x.
x² = -8/2 Solve
x² = -4 Now, eliminate the square of x by solving the square root of -4.
x = √-4
x = 2i or -2i Is an imaginary number.
Answer
a. f(x) = −2|x| + 1
