C = Cost To Download
M = Membership Fee.
T = 0.99C + M
Now, Plug In 6 For C.
And 12.49 For M
T = 0.99 * 6 + 12.49
0.99*6 = 5.94
T = 5.94 + 12.49
5.94+12.49 = 18.43
T = 18.43.
So, If You Want To Buy 6 Games On The Website, It Will Cost $18.43
The hypotenuse would be square root of 41
Answer:
1. 458 - 247 = 211
2. 58.92 - 43.87 = 15.05
3. 51/8 - 15/8 = 4.5
Here you go ! Hope this helps !
Let <em>y</em> be the expression you want to differentiate:

Now,

Use the chain rule to differentiate both sides with respect to <em>x</em> :

Solve for d<em>y</em>/d<em>x</em> :


