Y equals 3x-3 is the answer
Answer:

Step-by-step explanation:
Step one:
given
cost per drive= $20
additional fee per person= $4
let the number of persons be p
and the total cost be C
The total cost function is expressed as

Step two:
Required:
<u><em>We want to make P subject of the cost function </em></u>
Take 20 to the other side we have
C-20=4p
divide through by 4
P=C-20/4
simplify
P=C/4-5

N = 600, the sample size
Because 102 voters said 'Yes' to the proposition, the sample proportion is

The standard error is

The confidence interval is

From tables, z* = 1.96 at the 95% confidence level.
Therefore the confidence interval is

Answer: (0.14, 0.20)
Answer: -3/4x -1
Step-by-step explanation: