Answer:
The answer is a(n)=12+(n-1)11; 166 millimeter
Answer is $155 for the job
Step by step
You can use y intercept formula for this one.
Y = mx + b
Y = Dollars earned, what you are looking for.
M= rate per hour (27)
X = hours worked (5)
B = flat rate (20)
y = (27) (5) + 20
y = $155
Problem solved!
It opens down.
Since the beginning number -5x^2 is negative, it will open down.