Sally invests £8000 in a savings account. the account pays 2.8% compound interest per year. what is the value of her investment after 4 years?

Answer with Step-by-step explanation:

The total amount is calculated by:

where P is the amount invested

r is the rate of interest

and n is the time.

Here, P=£8000

r=0.028

and n=4

Value of investment after 4 years=

=£8934.34

Hence, Value of investment is:

£8934.34

answer: 180

step-by-step explanation:

12-2=10

20-2=18

18x10=180

the formula of a slope:

from a table we have

substitute:

the slope of f(x) is -1.

the graph of funcfion g(x) is a horizontal line. the slope of a horizontal line is equal 0. therefore the slope of g(x) is 0.

-1 < 0