exam Maths Puzzle Numerical Ability

Can someone help me graph this problem. I have to put it on the computer and send.

I need to graph the following function:

f(x) = 2x - 5

Thanks,
Ashley

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exam Other Question

Solve each system by the addition method.

(1/8)x+(1/4)y+5
(1/6)x+(1/2)y=7

and

1.5x-2y=-0.25
3x+1.5y=6.375 Yellow paint and blue paint must be mixed in the ratio 2:3 to produce the desired shade of green paint. How much of each color should be used to produce 4 L of green paint?