Phone calls cost £ y
for
x
minutes.

The graph gives the values of
y
for values of
x
from 0 to 5.

(a)(ii) Give an interpretation of the gradient of the graph.

A - £0.50
B - The increase in price each minute.
C - The fixed charge for the call.
D - The number of minutes per £1 cost.
E - The length of the call when the charge is £0.

A50% increase followed by 33 1/2% decrease

(01.04 lc)multiply 1 over 6 multiplied by negative 1 over 2. negative 1 over 3 negative 1 over 12 1 over 12 1 over 3

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.