All categories

3 years ago

X f(x) -2 -1/200 -1 -1/20 0 -1/2 1 -5 2 -50

Mathematics

1 answer:

Hitman42 [59]3 years ago

6 0

9514 1404 393

Answer:

f(x) = -1/2·10^x

Step-by-step explanation:

The y-intercept is -1/2.

The common ratio is (-1/20)/(-1/200) = 10, so the exponential function can be written as ...

f(x) = -1/2·10^x

You might be interested in

Graph y = -½ x -3 mathematics

Dominik [7]

We can’t attach imagines on here

6 0

3 years ago

The table represents a linear equation.which equation shows how (-10,8) can be used to write the equation of this line is point-

larisa86 [58]

Answer:

$\large\boxed{y-8=-0.2(x+10)}$

Step-by-step explanation:

The point-slope form of an equation of a line:

$y-y_1=m(x-x_1)$

m - slope

(x₁, y₁) - point

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

From the table we have the points (-10, 8) and (10, 4). Substitute:

$m=\dfrac{4-8}{10-(-10)}=\dfrac{-4}{20}=-\dfrac{1}{5}=-0.2$

The equation of a line:

$y-8=-0.2(x-(-10))\\\\y-8=-0.2(x+10)$

5 0

3 years ago

Read 2 more answers

Jacob makes a scale drawing for a crate with a scale

olga55 [171]

Answer:

6 inches long and 4 inches wide

Step-by-step explanation:

The dimensions of the actual crate are 20 times those on Jacob's drawing. The dimensions on the builder's drawing are 1/10 of those, so (1/10)(20) = 2 times the dimensions on Jacob's drawing.

The dimensions on the builder's scale drawing are 6 inches long by 4 inches wide.

4 0

3 years ago

Read 2 more answers

Point (-1,3) lies in which quadrant ?

777dan777 [17]

Quadrant II

Or the top left

5 0

2 years ago

Read 2 more answers

9.296 times 10 to the 7th power in standard form

Volgvan

The answer is 9,2960000

6 0

2 years ago