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What is f(–3) for f(x) = 2x2 – x + 5?
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2 votes
What is f(–3) for f(x) = 2x2 – x + 5?

User Rojin
by
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1 Answer

2 votes

Substitute the value of x = -3 to the equation:


f(x)=2x^2-x+5\\\\f(-3)=2(-3)^2-(-3)+5=2(9)+3+5=18+3+5=26

Answer: f(-3) = 26

User FireDragon
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