The value of f(x) = 2x−4x²+7 when x = -1, is
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Answer:
The answer is 0
Step-by-step explanation:
f(X) =2x- 4x ^2 +7
when X=-1
f(-1) = 2(-1) -4(-1)^2 +7
f(x)= -2-4+7
f(X) = -7+7
f(X) = 0
Hope it helps you (◔‿◔)
Answered by
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if x =-1. then,x²=1
f(x)=2(-1)-4(-1)²+7
f(x)=-2-4+7
f(x)=-6+7
f(x)=1
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