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Pachacha [2.7K]
2 years ago
15

If f(x)=3x-1 and g(x)=x+2,find (f+g)(x)

Mathematics
1 answer:
KiRa [710]2 years ago
7 0

Answer:

(f + g)(x) = 4x + 1

Step-by-step explanation:

Given f(x) = 3x - 1 and g(x) = x + 2, find (f + g)(x):

We can rewrite (f + g)(x) as f(x) + g(x), and solve the composite functions through addition:

f(x) + g(x) = (3x - 1) + (x + 2)

Combine like terms:

f(x) + g(x) = 3x + x + 2 - 1 = 4x + 1

Therefore, (f + g)(x) = 4x + 1.

Please mark my answers as the Brainliest if you find my explanations/solution helpful :)

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If you double the radius of a circle, then you will quadruple the circumference of the circle
alexira [117]

Answer:

False

Step-by-step explanation:

No options is attached to the question. However, I'll assume it's a true or false question.

Represent the radius with r.

The circumference is calculated as:

X = 2πr

When the radius is doubled, the new radius R is

R = 2r

And the new circumference, C is:

C = 2πR

Substitute 2r for R

C = 2π * 2r

C = 4πr

Factorize the above equation.

C = 2 * 2πr

Recall X = 2πr;

The expression becomes:

C = 2 * X

C = 2X

This means that the circumference is doubled, not quadrupled.

Hence, the statement is false.

7 0
3 years ago
What is the length x of PQ
Bas_tet [7]

Answer:

11.2

Step-by-step explanation:

If the rectangulars are similar then we can use similarity ratio to calculate value of x

CD is similar to RS and AB is similar to QP

4/6.4 = 7/x cross multiply expressions

4x = 44.8 divide both sides by 4

x = 11.2

6 0
3 years ago
What kind of polynomial is 2x^4-4x^2
mamaluj [8]

Answer:

Binomial

Step-by-step explanation:

It has 2 terms in the expression

5 0
3 years ago
Read 2 more answers
a kitchen is 10 years white in 8 years long attached to the kitchen is a square Pantry that is 4 meters wide what is the total a
nikitadnepr [17]

Hope this helps! Correct me if I'm wrong.

3 0
3 years ago
Im haveing problems with slope interception for an example
DanielleElmas [232]
Slope intercept form
y=mx+b
where the slope is m and b is the y intercept



the slope is needed
slope between (x₁,y₁) and (x₂,y₂) is (y₂-y₁)/(x₂-x₁)

so,
given (4,5) and (8,9)
the slope is (9-5)/(8-4)=4/4=1


y=1x+b
find b
input a point
(4,5)
x=4 and y=5
5=1(4)+b
5=4+b
minus 4 both sides
1=b
y=1x+1 is  slope intercept form
8 0
3 years ago
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