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2 years ago

F(x)=-3x-4 what's the Inverness function ?

Mathematics

2 answers:

Shtirlitz [24]2 years ago

6 0

The answers will be f(-1(x)=(y+4)/3

AnnZ [28]2 years ago

3 0

First make x the subject:-

3x = F(x) + 4

x = (F(x) + 4) / 3

f(-1(x) = (x + 4) / 3 answer

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Find the distance between the two points (0,0), (4,3)

Amiraneli [1.4K]

Answer:

Distance between the points=5

Step-by-step explanation:

The distance between two points in coordinate geometry is measured by using the distance formula:

If we have given two points

$(x_1,y_1)\\\\(x_2,y_2)$

Distance formula= $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

For (0,0) and (4,3)

Distance:

$\sqrt{(4-0)^2+(3-0)^2} \\\\\sqrt{4^2+3^2}\\\\\sqrt{16+9}\\\\\sqrt{25}$

Distance between the points=5

4 0

3 years ago

Cheyanne plans to put $150 into a savings account. She can place her money into an account represented by f(x) = 5x+150, or into

stepan [7]

In order to calculate the amount, we simply substitute the number of years into x in both equations.
After 3 years:
f(3) = 5(3) + 150
= $165
g(3) = 150 * 1.03⁽³⁾
= $163.90
After 10 years:
f(10) = 5(10) + 150
= $200
g(10) = 150 * 1.03⁽¹⁰⁾
= $201.59
After three years, the first account has more money but after ten years, the second account has more money.

4 0

3 years ago

What is the 82nd term of the sequence below?

AlexFokin [52]

The rule to find the term is: y=225-4x
you want to know the 82nd term which occurs when x=82 therefore
y = 225-(4 x 82) = -103

82nd term = -103

4 0

2 years ago

In a factory, the chance that a certain machine works without overheating in the morning is 50%. If it runs smoothly all morning

sammy [17]

Let's imagine that we turn the machine on 100 times. (this will make the percent conversion easier)

the chance that works in the morning is 50% of 100 so it will work 50 times.

the chance that it will then continue for the rest of the day is 15% so 15%*50 (the number of times it worked), which is 7.5 times.

our times actually represented percent, so the answer is : 7.5%!

7 0

2 years ago

Malik collects rare stamps and has a total of 212 stamps. He has 34 more domestic stamps than foreign stamps. Let x represent th

Effectus [21]

Answer:

y = 89 x = 123

Step-by-step explanation:

since they're both in standard form, its easier to do the process of elimination

x - y = 34

-x -y -212

------------------

-2y = -178

y = 89

now plug in y to any one of those two equations

x - y = 34

x - 89 = 34

x = 123

to check:

x + y = 212

123 + 89 = 212

212 = 212

6 0

2 years ago