Comment
You are going to have to learn something about f(2)
Step One
f(1) = 160
f(1 + 1) = - 2f(1)
f(2) = -2 * 160
f(2) = -320
Step Two
The easiest way is just to keep on going. This is recursive which means you use the last answer to get the next one.
f(3) = -2f(2)
f(3) = -2 * -320
f(3) = 640 Two minus' make a plus.
Step Three
Find f(4)
f(4) = - 2 f(3)
f(4) = -2 * 640
f(4) = - 1280 <<<<<<<<< answer
Alternate Method
f(n) = 160 * (-2) ^ (n - 1)
f(4) = 160 * (-2)^(4 - 1)
f(4) = 160 * (-2)^3
f(4) = 160 * (- 8)
f(4) = -1280
Answer:
Step-by-step explanation:
According to the given ratio the height of the plants is 7x and 9x.
<u>The difference of heights is 26 cm:</u>
- 9x - 7x = 26
- 2x = 26
- x = 13
a) <u>The taller plant is:</u>
b) <u>Shorter plant is:</u>
c) <u>Their total height is:</u>
A regular triangular pyramid is a solid figure with r surfaces
- 3 lateral surfaces and one base surface
- the four surfaces are congruent triangles, which is to say that all triangular surfaces have the same base and the same slant heght
- the area of each surface is [1/2] base * slant height.
Then, a change that double the area is any that keep one of the dimensiones and double the other.
So the answer is: double each side, b, of the base triangle while keeping the slant height, l, tha same.
You can also double the slant height, l, while keeping the base triangle, but then the height,h, of the pyramid will increase, by a factor which is not 2.
Answer:
See below
Step-by-step explanation:
There are two ways to graph an equation.
<u>1st Way:</u>
We can use a graphing calculator. (See the attached file)
<u>2nd Way:</u>
We can take the values of x as 0, 1 , 2 (Or anything).
Then, We have to put the values of x in the equation to get the value of y accordingly.
According to these values, Plot the graph.
Also,
Slope = 5 / 6
y-intercept = 1
Hope this helped!
<h3>~AH1807</h3>