exam Maths Puzzle Numerical Ability

If f(x) = -5x,then f(-3)

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exam Other Question

1.) The main road leading to Hadley Middle School is 2 3/4 miles long.
It is being resurfaced.The road construction manager told the
principal that of the road is finished. How m
Graph the following equation (please show me step by step how you got your answer). I worked this problem for three hours and got 0 every time.

y = 3/4x + 2