Question

if f(x)=x³-5x+1
evaluate f(2) -f(1) +f(3)

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Answer 1

Answer:

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

-1-3+13

-4+13

9

Step-by-step explanation:

2³-5(2)+1

= 8-10+1

= -2+1

= -1

1³-5(1)+1

= 1-5+1

= -4+1

= -3

3³-5(3)+1

=27-15+1

= 12+1

= 13

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