Determine the following where f(x) = 2x2 - x + 3 a. f(-4) b. f(0) c. f(7) d. f(2y)
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Originally Posted by euclid2 Determine the following where f(x) = 2x2 - x + 3 a. f(-4) b. f(0) c. f(7) d. f(2y) Just substitute each value of x into f(x) a) and simplify. Do same for the others.
so its f(-4)=39, right?
Yes.
Is f(x)=(2x)2-x+3 or (2)(2)-x+3?
From what he wrote, it seems to be
Ah. I see. So would the solution to f(2y) be quadratic? P.S. How do you guys type in that font(where 2x^2 actually looks like 2x^2)?
Originally Posted by EyesForEars Ah. I see. So would the solution to f(2y) be quadratic? Originally Posted by EyesForEars P.S. How do you guys type in that font(where 2x^2 actually looks like 2x^2)? It's called Latex (pronounced Lay-tek), and you can go here and look at the first post for a tutorial. You can also click on the equation or whatever in the post and you can see the code used to form it.
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