Write the quadratic function f(x) = 3(x + 1)(x – 7) in standard form. A)

f(x) = x2 – 18x – 21

B)

f(x) = 3x2 – 18x – 21

C)

f(x) = x2 – 6x – 7

D)

f(x) = 3x2 – 6x – 7

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?

What is the average rate of change for this function for the interval from x=2 to x=4 ?

List the sides of δrst in in ascending order (shortest to longest) if: a ∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°