INCOME In 2006 the median yearly family income was about $48,200 per year. Suppose the average
annual rate of change since then is $1240 per year.
a. Write and graph an inequality for the annual family
incomes y that are less than the median for x years
after 2006.
b. Determine whether each of the following points is
part of the solution set.
(2, 51,000) (8, 69,200)
(5, 50,000) (10, 61,000)

- 2 + 10x³ - 21x² + 19x - 4

step-by-step explanation:

each term in the second factor is multiplied by each term in the first factor

x²(- 2x² + 4x - 1) - 3x(- 2x² + 4x - 1) + 4(- 2x² + 4x - 1) ← distribute

= - 2 + 4x³ - x² + 6x³ - 12x² + 3x -8x² + 16x - 4

collect like terms

= - 2 + 10x³ - 21x² + 19x - 4 ← in standard form

answer: the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

step-by-step explanation:

the given rate of interest i= 85%

in calculating the monthly payment for a loan with an interest rate compounded monthly, the value of the interest rate per period we use in the formula must be in decimal form.

to convert it in decimal, we divide it by 100, we get

hence, the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

16 is the absolute value

step-by-step explanation:

if you're trying to figure out how much each ounce cost it would be 0.20

cents each ounce