Acompany manufacturers fuel tanks for automobiles. the total weekly cost (in dollars) of producing x tanks is given by c(x) = 10,000 + 90x- 0.05x^2
-find the marginal cost function

-find the marginal cost at a production level of 500 tanks per week and interpret the results

-find the exact cost of producing the 501st item

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

What is the absolute value of the complex number -4-sqrt2i

Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.