Math, asked by vinoth8351, 6 months ago

Given f(x)=2x²-3,x belongs to R.
Find:
1)f(-2)
2)f(2a+1)​

Answers

Answered by jyotsna26
1

Answer:

f(-2)=2(-2)^2-3

=2(4)-3

=8-3

f(-2)=5

f(2a+1)=2(2a+1)-3

=4a+2-3

f(2a+1)=4a-1

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