1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Citrus2011 [14]
3 years ago
12

Need help to write equations for 5, 6 & 7

Mathematics
1 answer:
Nutka1998 [239]3 years ago
7 0
5)
The x-values go up by 1: -2, -1, 0, 1, 2
The y values are always 3 times the previous value.
This is an exponential function.

y = a(b)^x

We need to find a and b.
Look at x = 0.
For x = 0, y = 4.

y = a(b)^x

4 = a(b)^0

Since b^0 = 1, this simplifies to

4 = a

Now we know a = 4. We have

y = 4(b)^x

Look at x = 1. For x = 1, y = 12.

12 = 4(b)^1

12 = 4b

b = 3

Now that we know a and b, we can write the function.

y = 4(3)^x

Now that you have the function written out, notice the following.
In the exponential equation we found, the number raised to x
is the number you multiply each y value to get the next y value.
In this case, each y value is 3 times the previous one, so you have 3^x.
The way you find "a" in the exponential equation is to look at the y-coordinate
when x = 0. When x = 0, b^x is 1, so b^x drops out, and you get "a" equal to
the y-value. In this case, when x = 0, y = 4, so "a" is 4.
With b = 3, and a = 4, you can quickly write:
y = 4(3)^x.
You might be interested in
What does it mean when a boy says u tryna hang out but you can’t cuz you ain’t home but then the next day he says you going to c
krek1111 [17]

Answer:

Say your not home!

Step-by-step explanation:

Say your not home,the set a date when yall can meet again!

7 0
3 years ago
f is a quadratic function whose graph is a parabola opening upward and has a vertex on the x-axis. The graph of the new function
Dmitriy789 [7]
<span> Answer: ( - infinity , 2] 
No need to spam, it makes you lose your hard-earned points!</span>
4 0
3 years ago
Read 2 more answers
Find the missing lengths of the sides
Ket [755]

ANSWER

The correct answer is C

EXPLANATION

The given triangle is a right triangle. Since two angles are equal, it is a right isosceles triangle.

This implies that, x=8 units.

Using Pythagoras Theorem,

{y}^{2}  =  {8}^{2}  +  {8}^{2}

This implies that:

{y}^{2}  = 64  +  64

{y}^{2}  =128

Take positive square root,

{y}  =  \sqrt{128}

{y}  = 8 \sqrt{2}

The correct answer is C

5 0
3 years ago
Read 2 more answers
Jose can paint an entire house in seven hours and brandon can paint the same house in eight hours. Write an equation that can be
guajiro [1.7K]

Answer:

t/8 + t/7 = 1

Step-by-step explanation:

Given in the question that,

time require for Jose to paint the house = 7 hours

time require for Brandon to paint the house = 8 hours

Suppose t means Full house painted.

<h3>To solve the question we have to figure out how much each of them can paint in ONE hour.</h3>

7 hours----t

1 hour ---- t/7

8 hours----t

1 hour ---- t/8

<h3>Equation</h3>

t/8 + t/7 = 1 (in one hour)

(7t + 8t)/8(7) = 1

15t/56 = 1

15t = 56

t = 56/15

t = 3.73 hours

5 0
3 years ago
label the Venn diagram with number categories. Then classify each of the given numbers by written it in an appropriate place on
DiKsa [7]

I need to see the diagram in order to answer your question.

7 0
3 years ago
Other questions:
  • A coffee shop sold 7 cups,3 pints, and 9 quarts of coffee. Express the number of cups of coffee sold in base 2
    6·1 answer
  • PLEASE HELP ASAP don’t have much time.
    14·1 answer
  • You roll a six-sided die. Find the probabilities of rolling a 3? Rolling a 7? Rolling a 3 or 4?
    11·1 answer
  • Julie made five loaves of bread that had 1/4 cup of flour in each loaf. How many cups of flour were used in all?
    12·2 answers
  • The question is in the photo above plz answer
    15·1 answer
  • 21.18 - 17.92 rounded to the nearest whole number
    6·1 answer
  • Add the following<br> -5+(-7)+9+(-3)<br> - 5+(-7)+9+(-3)=(Simplify your answer.)
    6·1 answer
  • An airplane travels 4374 kilometers against the wind in 6 hours and 5514 kilometers with the wind in the same amount of time. Wh
    7·1 answer
  • If nine is added eighteen times to a number, the result is 173. What is the number?
    8·2 answers
  • I'm not sure what this is can anyone lend a hand?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!