Question 403312
A plant can manufacture 75 golf clubs per day for a total daily cost of $8,027 amd 100 golf clubs per day for a total daily cost of $ 9,567. 
-----
You have two points: (75,8027) and (100,9567)
------
(a) assuming that daily cost and production are linearly related, write an equation for the total daily cost in terms of production. 
---
slope = (9567-8027)/(100-75) = 61.6
--------------
Form: c(x) = mx + b
9567 = 61.6*100 + b
b = 3407
----
Equation:
c(x) = 61.6x + 3407
-----

(b) how many clubs can they manufacture daily with the cost $9000.
Solve 61.6x + 3407 = 9000
61.6x = 5593
x = 90.8 clubs daily
=============================
Cheers,
Stan H.
==============