Homework Help: algebra

Posted by C on Tuesday, May 6, 2008 at 3:22pm.

I'm stuck, what would be two inputs for this nonlinear equation?
f(x) = x³ - 7 x = -2 x = 2

algebra - Reiny, Tuesday, May 6, 2008 at 3:55pm
The reason you have received no reply so far is because the way you typed your function is confusing.

You have 3 equal signs in the same line, is that what you wanted?

is your function f(x) = x³ ?

if you simply want f(-2) and f(2) that would be easy
f(-2) = (-2)^3 - 7(-2)
= 6

f(2) = 2^3 - 7(2)
= -6

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