F(x) = 1.25x + 12.
12 Is the cost of food, and 1.25x represents that every ride (x) is 1.25 dollars.
f(1) = 1.25(1) + 12
f(1) 13.25
If he rides one ride, then it will cost this 13.25 dollars in total
f(2) = 1.25(2) + 12
f(2) = 14.5
If he rides two rides, then it will cost 14.5 dollars in total
f(3) = 1.25(3) + 12
f(3) = 15.75
If he rides 3 rides, it will cost 15.75 dollars in total, etc. etc.
Hope this helps!!
Answer:
2.5, 4.5
Step-by-step explanation:
The x coordinate is 2.5 & the y coordinate is 4.5
F(x,n,p)=C(n,x)p^x*(1-p)^(n-x)
n=9, p=0.8 =>
f(x,9,0.8)=C(9,x)0.8^x*(0.2)^(9-x)
The function f(x,9,0.8) is then calculated using the above formula
x f(x)
0 0.0000001 0.0000182 0.0002953 0.0027534 0.0165155 0.0660606 0.1761617 0.3019908 0.3019909 0.134218
Check Sum f(x), [x=0,9] = 1.0 ok
