If f(x) = 2x^2-x +4

Find 2f(a)

How do I deal with the 2 in front of the f(a) ?

Typically I just plug 'a' into the values of x and compute. But how do I deal with the 2?

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- June 24th 2010, 12:39 AMsuperduper1Find 2f(a) in the function f(x)
If f(x) = 2x^2-x +4

Find 2f(a)

How do I deal with the 2 in front of the f(a) ?

Typically I just plug 'a' into the values of x and compute. But how do I deal with the 2? - June 24th 2010, 12:42 AMmr fantastic
- June 24th 2010, 12:47 AMsuperduper1
2f(a) = 4a^2 - 2a + 8 ?

- June 24th 2010, 04:41 AMmathaddict