The amount of money in an investment is modeled by the function A
(
t
)
=
900
(
1.0107
)
t
. The variable
A
represents the investment balance in dollars, and
t
the number of years since 2008.

(A) In 2008, the balance was $
900
Correct.

(B) The amount of money in the investment is
Select an answer

(C) The annual rate of change in the balance is
r
=

1.0107
Incorrect or
r
=

%.

(D) In the year 2014 the investment balance will equal
$
. Round answer to the nearest penny.

solution:

the given function is ,

      =

the three roots of this quadratic function is , 0 ,8 and 10.all the roots are real and rational.

if a quadratic equation is of the form ,

sum of the roots = a + b +c= 0+8+10=18=  

product of roots taken two at a time = a b + b c+ c a = 0+80+0=80 =  

product of roots = a b c = 0=  

there are 11 doors in a hall starting from 0 to 11.the entry in the hall is permitted through gate number 0 and exit is allowed through only gate number 8 and 10.so, three roots(0,8,10) of quadratic function is given by entry and exit route of this hall.

$54.99

step-by-step explanation:

$54.99 includes 500 min. if she does not exceed 500 min then her bill is $54.99

answer: it is a.,b.,d.

step-by-step explanation:

the furthest the dog can be is 508 meters away from the house, and the closest he can be is 492 meters away from the house.