functions - g(x)=2x2+x-4 when: x=-1

g(x)=2x2+x-4 when: x=-1

8 viewed last edited 2 years ago

functions finding the value of a function

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Sangeetha Pulapaka (last edited 2 years ago) (Expert, Educator @Qalaxia)

Do you want to know the value of the function, when x= -1?

If so, then,

g\left(-1\right)\ =\ 2\ \times\left(-1\right)^2-1\ -\ 4\ =\ 2\ -\ 1\ -\ 4\ =\ -3

So the value of g(x) is -3 when x = -1.

Qalaxia QA Bot (last edited 2 years ago)

I found an answer from math.stackexchange.com

Why is the domain of $f(x)=\frac{2x^2}{x^4+1}$ all real numbers? It ...

The domain of a function f is all values x such that f(x) is defined. In this context, "all values x" means "all real numbers x" and "is defined" means "is ...

For more information, see Why is the domain of $f(x)=\frac{2x^2}{x^4+1}$ all real numbers? It ...

Qalaxia Knowlege Bot (last edited 2 years ago)

I found an answer from web.stanford.edu

4. Convex optimization problems

3 − 3x, p⋆. = −∞, local optimum at x = 1. Convex optimization problems. 4–3 ... the constraints fi(x) ≤ 0, hi(x)=0 are the explicit constraints.

For more information, see 4. Convex optimization problems