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shtirl [24]
1 year ago
6

What are the domain and range of the function f of x equals the quantity of x squared minus 3 x minus 28, all over x plus 4?

Mathematics
1 answer:
nirvana33 [79]1 year ago
3 0
If I’m right the answer is
2
You might be interested in
!!!!!!!!!!!!Please help!!!!!!!!!!!!!!
aksik [14]

Answer:

The answer to your question is a) (f°g)(x) = 4x² + 2

                                                    b) (f + g)(x) = 4x² + x + 2

                                                    c) (f - g)(-3) = -37

Step-by-step explanation:

Data

f(x) = x + 2

g(x) = 4x²

a) Calculate (f°g)(x)

Just sum the function

(f°g)(x) = (4x²) + 2

-Simplification

(f°g)(x) = 4x² + 2

b) (f + g)(x)

(f + g)(x) = x + 2 + 4x²

-Simplification

(f + g)(x) = 4x² + x + 2

c) (f - g)(-3)

-Calculate (f - g)(x)

(f - g)(x) = x + 2 - 4x²

-Simplify

(f - g)(x) = -4x² + x + 2

-Evaluate in (-3)

(f - g)(-3) = -(4)(-3)² + (-3) + 2

-Simplification

(f - g)(-3) = -4(9) - 3 + 2

-Result

(f - g)(-3) = -36 - 3 + 2

(f - g)(-3) = -37

5 0
3 years ago
Which equation is correct?
Cloud [144]
D is the correct answer
7 0
3 years ago
What is the expanded form of this number?
Yuliya22 [10]

Answer:

  A  (1×10)+(4×1)+(7×1/10)+(2×1/1,000)

Step-by-step explanation:

In the expanded form, the number is shown as a sum in which each digit is multiplied by its place value.

The decimal fraction digits are in the tenths place (1/10) and the thousandths place (1/1000).

  (1×10)+(4×1)+(7×1/10)+(2×1/1,000)

8 0
2 years ago
Find the circumference of a circle that has a diameter of 70 cm.
Sergeu [11.5K]

Answer:

70 pi cm

219.80 cm

219.9114858 cm

Step-by-step explanation:

The circumference of a circle is given by

C = pi*d

C = pi * 70cm

Using 3.14 for pi

C = 219.80cm

Using the pi button

219.9114858cm

4 0
3 years ago
Read 2 more answers
A carpet installer charges a flat rate of $40 + $1.50 per square foot for labor so the total cost for the labor depends on the a
Naddika [18.5K]

The domain of the linear function is (1.5, ∞) and the range of the linear function will be (40, ∞).

<h3>What are domain and range?</h3>

The domain means all the possible values of x and the range means all the possible values of y.

A carpet installer charges a flat rate of $40 and $1.50 per square foot for labor.

So the total cost for the labor depends on the amount of carpet installed, the relationship between the total cost for labor and the amount of corporate installed.

Then the domain of the relation is the range of the relation will be

Let y be the total amount and x be the number of square foot.

y = 1.5x + 40

Then the domain of the linear function is (1.5, ∞) and the range of the linear function will be (40, ∞).

The graph is given below.

More about the domain and range link is given below.

brainly.com/question/12208715

#SPJ1

5 0
2 years ago
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