James has x merit points. Sarah has three times as many merit points than James.
Robert has 61 fewer merit points than James.
Each merit point is worth 3 pence.
All three of the students have a total of £15.72
Work out how many merit points each student has.

B

Step-by-step explanation:

step-by-step explanation:

the formula of a slope:

from a table we have

substitute:

the slope of f(x) is -1.

the graph of funcfion g(x) is a horizontal line. the slope of a horizontal line is equal 0. therefore the slope of g(x) is 0.

-1 < 0