Answer:
23
Step-by-step explanation:
Evaluate f(- 2) then substitute the value obtained into g(x)
f(- 2) = 3(- 2)² + 2(- 2) - 1 = 3(4) - 4 - 1 = 12 - 5 = 7 , then
g(7) = 4(7) - 5 = 28 - 5 = 23
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Answer:
34
first of all use formula:
n(AUB)=n(A)+n(B)-n(AnB)
-28xy/4
-7xy
Therefore, the first answer is correct.
Hope this helps!
Answer: A and C
Ecplanation: photo
