Question

If f ( x ) = x² - 5 x + 1 eualute f (2)-f(-1)+f(1/3)

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Answer 1

Answer:

1)f=2²-5×2+1=4-11=-7,( 2) f=1-5×-1+1=1+5+1=7,(3) f=-5÷9-00.5

Answer 2

f ( x) = x²+5x+1

f(2)=2²-5×2+1=4-10+1=5

f(-1)=(-1)²-5(-1)+1=1+5+1=7

f(⅓)=(⅓)²-5(⅓)+1=⅑-5/3+1=1-25+9/9=–5/9

f(2)-f(-1)+f(⅓=-5-7-5/9=-45-63-5=-113/9