Answer:
The relation is not a function.
Step-by-step explanation:
Since x=1 is in both y=4 and y=−8, the relation (1,4),(3,2),(5,2),(1,−8),(6,7) is not a function.
Answer:
11
Step-by-step explanation:
f(x) = x^2 - 3x + 1
f(-2) = (-2)^(2)-3(-2)+1
f(-2) = 4 + 6 + 1
f(-2) = 11
Just substiute -2 for x and sove.
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Answer:
-3+i
Step-by-step explanation:
Collect like terms
-2-1=-3
+3i-2i=i
-3+i