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12 questions from this quiz
Fixed charge and cost per unit
A constant amount paid regardless of usage
Usage
The fixed charge or included allowance
Cost per unit after allowance exceeded
Calculate gradient of sloped section
vertical changehorizontal change\frac{\text{vertical change}}{\text{horizontal change}}horizontal changevertical change
£0.58
Y-axis units per x-axis unit
Steady, straight-line decrease
Quickly at first, then slowly
Faster change
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