Look at the example for the first step jaime thought how many groups of 20 in 1400 there are 70 if he continues with the devision steps when will he know that his first estimate of 70 is too high

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.

f(x) is going down by 4

step-by-step explanation:

(its either that or its going left by 4)

i believe the answer is c.