Complete the following:
Q1. For f(x)=2-5X^2, Find:
i) f`(x).
a. -5x
b. -10x
c. -10x
d. 0
Q2. Consider f(x)=3-4*Square root(X)
i) Find f`(x)
a. - square root of X / 2
b. - 4 / square root of X
c. -2/square root of x
d. -8 / Square root of x.
Q3. Consider f(x)=3x/x+9
i) find f`(x)
Q4. A personal computer salesperson receives a base salary of $3000 per month and a commission of 4% of all sales over $30,000 during the month. If the monthly sales are $60,000 or more, the salesperson is given an additional $600 bonus. Let F(s) represent the person`s earnings during the month as a function of the monthly sales.