if f(x) = 3x² - 7x + 8 , find f ( -2 )
please tell me answer
Answers
Answered by
6
Answer:
34
Step-by-step explanation:
f(x)=3x²-7x+8
f(x)=-2
=3*-2*-2-7*-2+8
=3*4+14+8
=12+22
=34
Answered by
1
f(X)= 3x²-7x+8
f(-2)= 3(-2)²-7(-2)+8
f(-2)= 3*4+14+8
f(-2)= 12+14+8
f(-2)= 20+14
f(-2)= 34
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