3 years ago

What is the formula to find a simple interest rate

1 answer:

4 0

Simple interest formula: A = P(1 + rt) where P is the Principal amount of money to be invested at an Interest Rate R% per period for t Number of Time Periods. Where r is in decimal form; r=R/100; r and t are in the same units of time.

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For the graphed function f(x) = (4)x − 1 + 2, calculate the average rate of change from x = 1 to x = 2.

lorasvet [3.4K]

Average rate of the function: 3

Step-by-step explanation:

The function in this problem is

$f(x)=4^{x-1}+2$

The average rate of change of a function over an interval $(x_1,x_2)$ is given by

$r=\frac{f(x_2)-f(x_1)}{x_2-x_1}$

where

$f(x_1),f(x_2)$ are the values of the function calculated in $x_1,x_2$ respectively

For the function in this problem we have:

$x_1=1$ , so

$f(x_1)=f(1)=4^{1-1}+2=4^0+2=1+2=3$

$x_2=2$ , so

$f(x_2)=f(2)=4^{2-1}+2=4^1+2=4+2=6$

So, the average rate of change is

$r=\frac{6-3}{2-1}=\frac{3}{1}=3$

Learn more about rate of change:

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3 years ago

If the function g(x) = f(x + 2), how can the graph of the function g(x) be obtained from the graph of f(x)?

Yakvenalex [24]

Answer:

Step-by-step explanation:

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3 years ago

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A line passes through the point (6, - 9) and has a slope of 4/3 Write an equation in slope-Intercept form for this line.

Nostrana [21]

Answer:

4x-3y-51=0

Step-by-step explanation:

y- $y_{1}$ =m(x- $x_{1}$ )

y-(-9) = $\frac{4}{3}$ (x-6)

3y+27=4x-24

4x-3y-51=0

5 0

2 years ago

Josh has been working andsaving money in order to buy a car andtravel the country. According to hiscalculations, it will cost hi

sergiy2304 [10]

Answer:

16 months

Step-by-step explanation:

40k-16.5k=23.5k. 23.5k/1450= A little bit more than 16 months.

3 0

3 years ago

For which interval on the graph is the function non-linear and decreasing?

sashaice [31]

Answer:

C. Between x = 2 and x = 3

Step-by-step explanation:

It starts non-linear at 2 = x, then ends at the beginning of 3 = x.

I am joyous to assist you anytime.

6 0

3 years ago