Why can't x be any real or complex number?
THat's what the assignment says. I don't understand it
The domain of x goes from -infinity to + infinity.
f(x) = - (4x^2+3x)/2 =(-1/2)x(4x+3)
sketch a graph
it's domain is fine for all real x
On the other hand the range is limited and never gets higher than 9/32 at x = -3/8
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