Igebra 1: CC 2015 > Chapter 1: Rewriting Equations and Formulas > Section Exercises 1.5 > Exercise 33 The sale price S (in dollars) of an item is given by the formula S= L-IL, where L is the
list price in dollars) and r is the discount rate (in decimal form).
a. Solve the formula for r.
Sale price
$18
b. The list price of the shirt is $30. What is the discount rate?
33
The discount rate is

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Step-by-step explanation:

  b.   the average rate of change of f(x) is less than the average rate of change of g(x).

step-by-step explanation:

since the length of the interval is the same in each case, we only need to compare the change in y-value to see which is greater.

so the change in y-value for function f is (6 )) = 9.

the table tells us

so the change in y-value for function g is (31 -1) = 30.

the change in y-value of f(x) on the interval is less than the change in y-value of g(x) on the same interval, so the average rate of change of f(x) is less than the average rate of change of g(x).

50

step-by-step explanation: