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Kaylis [27]
3 years ago
13

The function g(x)=8(4x) is reflected across the x-axis to create f(x).

Mathematics
2 answers:
guajiro [1.7K]3 years ago
9 0

Answer:

f(x)=-8(4^x)

Step-by-step explanation:

Base on the description, the function is an exponential function.

The given function is g(x)=8(4^x).

When this function is reflected in the x-axis, we negate the y-coordinates, that is the whole function.

Therefore f(x)=-g(x)

This implies that:

f(x)=-8(4^x)

dusya [7]3 years ago
7 0

Answer:

The answer is B

Step-by-step explanation:

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FIRST RIGHT ANSWER GETS BRAINIEST
Diano4ka-milaya [45]

OK, no figure, but from the comment is sounds like the grey area is the big circle minus the small circle.

The diameter of the small circle is 2 so its radius is 1 and its area πr² is π.

The radius of the larger circle is 4, so area 16π

The shaded area is 16π - π

Answer: 15π

6 0
4 years ago
(4x+40)=3x what is x
miv72 [106K]

Answer: x=40

Step-by-step explanation:

(4x+40)=3x

Step 1: open the bracket

4x + 40 = 3x

Step 2: Combine like terms

4x - 3x = 40

x = 40

I hope this helps.

5 0
4 years ago
You have 1 and 1/2 rolls of Dimes each roll of Dimes is equal to $5 what will your total deposit be
Molodets [167]

Answer: 7.5 dollars. Also known as 7.50


Step-by-step explanation: 1 roll is 5 dollars. You have 1 and a half rolls. So five, plus 2.5 (five divided into half). 7.5 dollars.


4 0
3 years ago
I need the answers ASAP
avanturin [10]

1. f(-6)=12

2. k(-4)=-68

Further explanation:

We have two functions whose values we have to find on certain points.

In order to find the values of function, the value is put in place of variable in the function.

So,

<u>1. f(a) = -2a</u>

We have to find, f(-6)

So putting -6 in function

f(-6) = -2(-6)\\= 12

<u>2. k(x) = -3x^2+5x</u>

We have to find, k(-4)

So putting -4 in function

k(-4)=-3(-4)^2+5(-4)\\=(-3)(16)-20\\=-48-20\\=-68

Keywords: Functions, values of functions

Learn more about functions at:

  • brainly.com/question/5337932
  • brainly.com/question/5563823

#LearnwithBrainly

4 0
3 years ago
Need help. thank you
yulyashka [42]

Answer:

x = 70.53 degrees

Step-by-step explanation:

equation:

cos-1 = \frac{adjacent}{hypotenuse}

⇒ cos-1 x = \frac{4}{12}

⇒ cos-1 x = 0.33

⇒ x = 70.528

round to the nearest tenth:

⇒ 70.53

7 0
3 years ago
Read 2 more answers
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