Find the balance in the account. $800 principal earning 7%, compounded annually, after 4 years $1,048.64 $1,024.00 $1,920,800.00 $3,424.00

After 4 years, the balance in the account will be of $1,048.64.

Step-by-step explanation:

Initial amount: $800

Year 1: $800 + (800 x 7 / 100) = $800 + $56 = $856

Year 2: $856 + (856 x 7 / 100) = $856 + $59.92 = $915.92

Year 3: $915.92 + (915.92 x 7 / 100) = $915.92 + $64.11 = $980.04

Year 4: $980.04 + (980.04 x 7 / 100) = $980.04 + $68.60 = $1,048.64

As we can see in this table, compounded annually, the interest rate of 7% over an initial amount of $800 will reach $1,048.64 in four years.

the required function is .

step-by-step explanation:

from the given table it is noticed that the graph passing through (-3,7), (0,4), (3,1) and (8,-4).

it is a linear function because the value of y is decrease by one as the value of x increase by 1.

the slope of the function is

the slope of the function is -1 and the y-intercept is 4.

the slope intercept form is

where, m is slope and b is y-intercept.

therefore the required function is . the graph of this function is shown below.