1a. [1 mark]
A factory produces shirts. The cost, C, in Fijian dollars (FJD), of producing x shirts can be
modelled by
C(x) = (x - 75)2 + 100.
Find the cost of producing 70 shirts.

Answer this question! 30 points and brainliest!

The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.