Answer:
f(10) = 320 - (20 * x)
Step-by-step explanation:
Plug in for x
f(10) = 320 - (20 * 10)
Multiply
f(10) = 320 - 200
Subtract
f(10) = 120
Bob has 120 points left after 10 weeks of riding the bus.
Answer:
The value of f(10) is 120 points.
Step-by-step explanation:
Given,
Total points = 320,
The points spent in a week = 20,
So, the points spent in x weeks = 20x,
Thus, the remaining points ( say f(x) ) = Total points - points spent in m weeks
f(x) = 320 - 20x
If x = 10,
The remaining points after 10 weeks,
f(10) = 320 - 20(10) = 320 - 200 = 120 points
