**Tutorial 7**

**Questions for in-class tutorial:**

**Basic Maths:**

Find the first derivatives of each of the following functions:

- a) y = 5x
^{7}+ 6x + 2 - b) Q =
- c) AC = 5 +
- d) z = (5x + 7)
^{-4} - e) y = (2x
^{3}+ 6) × (3x^{2}+ 7x + 1)

**Application Questions:**

- Find an expression for the MC function given the following average cost functions:
- a) AC = 2Q + 5 +
- b) AC = 3Q
^{2}– 4Q + 6 +

In each case state the value of fixed cost and variable cost.

- 2. If the demand function of a good is

Find the quantity which makes MR = 0.

** ****Questions for self-study**

Find the first derivatives of each of the following:

1.

- a) y = 76x
^{8}+ 3x^{5}+ 4 - b) y =
- c) +
- d) y = ln(2x
^{2}+ 1) - e) y = e
^{3x+1} - Determine the first and second derivatives of the following:
- a) y =
- b) TR = 200Q – 4Q
^{2} - c) TC =

Payment Methods

All online transactions are done using all major Credit Cards or Electronic Check through PayPal. These are safe, secure, and efficient online payment methods.

Our customer support team is here to answer your questions. Ask us anything!

👋 Hi, how can I help?