2 years ago

I don't understand how to graph or how to find domain and range

Mathematics

2 answers:

kenny6666 [7]2 years ago

6 0

Domain- from left to right.: Range- from top to bottom.

Lynna [10]2 years ago

5 0

Just mark the coordinates on the x- & y-axis and draw the line, in order to graph an equation.

Domain = x-coordinates of graph [ Horizontal line ]
Range = y - coordinated pf graph [ Vertical line ]

Hope this helps!

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icang [17]

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2 years ago

If f(x)=-4x^2-6x-1 and g(x)=-x^2-5x+3, fine (f-g)(x)

NeX [460]

Answer:

$\large\boxed{(f-g)(x)=-3x^2-x-4}$

Step-by-step explanation:

$(f-g)(x)=f(x)-g(x)$

$f(x)=-4x^2-6x-1,\ g(x)=-x^2-5x+3\\\\(f-g)(x)=(-4x^2-6x-1)-(-x^2-5x+3)\\\\(f-g)(x)=-4x^2-6x-1-(-x^2)-(-5x)-3\\\\(f-g)(x)=-4x^2-6x-1+x^2+5x-3\qquad\text{combine like terms}\\\\(f-g)(x)=(-4x^2+x^2)+(-6x+5x)+(-1-3)\\\\(f-g)(x)=-3x^2-x-4$