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
sergejj [24]
3 years ago
9

Which function is the inverse of f(x) = -5x - 4?

Mathematics
1 answer:
GarryVolchara [31]3 years ago
3 0
D I think I’m not sure
You might be interested in
BRAINLIEST AWARD NO.2
zzz [600]

Answer:

A whole number first term to render as fifth term a value larger than 10000, should be at least 121

Step-by-step explanation:

The formula is given as recursive since it involves the previous number of the sequence, and defined as:

a_n=a_{n-1}*3+6

we also know that the first term is 4

Then in this case, the first five terms are:

a_1=4\\a_2=4*3+6=18\\a_3=18*3+6=60\\a_4=60*3+6=186\\a_5=186*3+6=564\\

So if we want to find the first term in the case that the fifth one is greater than 10,000 using this recursive formula, now we have to start backwards, and say that the fifth term is "> 10000" and what the fourth one is.

Notice that if you have this definition for the nth term, we can obtain from it, what the previous term is to find the general rule:

a_n=a_{n-1}*3+6\\a_n-6=a_{n-1}*3\\\frac{a_n-6}{3} = a_{n-1}\\a_{n-1}=\frac{a_n}{3} -2

So the rule is to subtract 6 from he term, and divide the subtraction by 3. Then working backwards:

a_5>10000\\\frac{a_5}{3} -2>\frac{10000}{3} -2\\a_4>=\frac{10000}{3} -2\\\frac{a_4}{3} -2>\frac{\frac{10000}{3}-2}{3}-2 =\frac{10000}{9}-\frac{8}{3} \\a_3>\frac{10000}{9}-\frac{8}{3} \\\frac{a_3}{3} -2>\frac{\frac{10000}{9}-\frac{8}{3} }{3} -2=\frac{10000}{27} -\frac{8}{9} -2=\frac{10000}{27} -\frac{26}{9}\\a_2=\frac{10000}{27} -\frac{26}{9}\\\frac{a_2}{3} -2>\frac{\frac{10000}{27} -\frac{26}{9}}{3} -2=\frac{10000}{81} -\frac{80}{27} \\a_1>\frac{10000}{81} -\frac{80}{27}\approx 120.49

therefore, the starting first term should be at least about 121 to give a fifth term larger than 10,000

8 0
3 years ago
All smart people help me...​
8090 [49]

Answer:

4x+5x=180

It's D

7 0
3 years ago
Read 2 more answers
What is the rule for the reflection ?
Zolol [24]

Answer:

This idea of reflection correlating with a mirror image is similar in math.

This complete guide to reflecting over the x axis and reflecting over the y axis will provide a step-by-step tutorial on how to perform these translations.

 First, let’s start with a reflection geometry definition

Math Definition: Reflection Over the X Axis

A reflection of a point, a line, or a figure in the X axis involved reflecting the image over the x axis to create a mirror image. In this case, the x axis would be called the axis of reflection.

Math Definition: Reflection Over the Y Axis

A reflection of a point, a line, or a figure in the Y axis involved reflecting the image over the Y axis to create a mirror image. In this case, theY axis would be called the axis of reflection.

What is the rule for a reflection across the X axis?

The rule for reflecting over the X axis is to negate the value of the y-coordinate of each point, but leave the x-value the same.

3 0
2 years ago
Somebody please help and explain it.
s2008m [1.1K]

Explanation is in the file

tinyurl.com/wpazsebu

3 0
3 years ago
Th e library fi ne for an overdue DVD is $2 for the fi rst day plus $0.25 for each additional day. How many days overdue is a DV
Mumz [18]
The DVD is 6 days overdue
6 0
3 years ago
Other questions:
  • Which graph represents the function?
    12·2 answers
  • Use the Distributive Property to simplify this expression.<br> 15. (7 + 6w)6
    13·1 answer
  • I need help( number 30)
    13·2 answers
  • What is the range of the function f(x) = -|3x + 3|?
    11·1 answer
  • The price of a car was decreased by 25% to £1875. What was the price before<br> the decrease?
    13·1 answer
  • The midpoint M of CD has coordinates (0,4). Point C has coordinates (0,5). Find the
    9·2 answers
  • What is the reflection image of P(0, 0) after two reflections, first across x = 4 and then across y = -3?
    6·2 answers
  • Solve the following system of equations
    9·1 answer
  • I need help I will give brainliest
    7·1 answer
  • In a certain year, 20% o RSM AMC 10 participants were invited to compete in American Invitational Mathematics Examination. How m
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!