Evaluate 4x - 2y when x= -5 y= -3

-14

Step-by-step explanation:

4x-2y                               x=-5       y=-3

4(-5) -2(-3)

-20+6

-14

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the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)