Question

5. If f(x)=

2x²-3x+1

x+2

find the values of f(-1) and f(3) + f(1)

Answer 1

Answer:

Given f(x+1)=2x

2

−3x+1 ……..(1)

Now, to find f(x+2) let us

put (x+1) in place of 'x' in (1)

or, f(x+2)=2(x+1)

2

−3(x+1)+1

=2(x

2

+2x+1)−3(x+1)+1

=(2x

2

+x).

Step-by-step explanation:

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