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iogann1982 [59]
3 years ago
6

If f(x)=(2x)^2,find f(-4). Show all work

Mathematics
1 answer:
frozen [14]3 years ago
4 0
F(x)=(2x)^2     Find f(-4)
this is a function notation, if you have f(-4) you need to fill the in to (X) on the left had side.
So F(x)=((2(-4))^2,Multiply what is in side the() and that is-12(postive x negiavtive is negative), Then we need to square that and it 144. so the answer is F(-4)=144
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F(x)=x2−x−1f, left parenthesis, x, right parenthesis, equals, x, squared, minus, x, minus, 1 What is the average rate of change
Alexandra [31]

Answer: The average rate of change = -1

Step-by-step explanation: Please find the attached file for the solution

5 0
4 years ago
Evaluate 3 to the second power + (8 - 2 ) • 4 - 6/3
puteri [66]

Answer:

31

Step-by-step explanation

(3^2) + ((8-2)x4)-(6/3)

9+(24)-2

31

7 0
3 years ago
Please help you will get 15 points.
Sedbober [7]

Answer:

6° and acute angle

you watch the clock or find a clock, in right angle there 90° or 3 o'clock, if you want to understand it, try to count the the minute from 12 to 3 in the clock, if you count it then you see the are there is 15 minutes, then the 90° divide the number of minute which is 15, the answer is 6°. and then the answer of the next question is acute angle it is because the hour hand of the clock travels in 1 minute, it means every 1minute there are 6°, and 6° is less than 90° that why it's acute angle.

7 0
3 years ago
On a number​ line, the coordinates of​ X, Y,​ Z, and W are negative 7​, negative 2​, 1​, and 6​, respectively. Find the lengths
saw5 [17]

On a number line, the length of a segment is the absolute value of the difference of the coordinates. So, if point X has coordinate a and point Y has coordinate b, we have

\overline{XY} = |a-b|

So, you have

\overline{XY} = |-7-(-2)| = |-7+2| = |-5| = 5

\overline{ZW} = |1-6| = |-5| = 5

So, yes, they are congruent.

4 0
3 years ago
Consider the exponential function f(x) = 3(one-third) Superscript x and its graph.
Anna35 [415]

Answer:

The growth value of the function is One-third ⇒ True (2nd)

The function shows exponential decay ⇒ True (3rd)

The function is a stretch of the function f(x)=(\frac{1}{3})^{x} ⇒

True (4th)

Step-by-step explanation:

* <em>Lets revise the form of the exponential function</em>

- The general form of the exponential function is f(x)=a(b)^{x}

  where "a" is the initial amount and "b" is the growth factor

- If b > 1, then f(x) is exponential growth function

- If 0 < b < 1, then f(x) is exponential decay function

* <em>Lets solve the problem</em>

- The exponential function f(x)=3(\frac{1}{3})^{x}

∴ The initial value is 3

∴ The growth factor is \frac{1}{3}

∵ The growth factor is less than 1

∴ f(x) is exponential decay function

* Lets chose the true statements

# The initial value of the function is One-third ⇒ Not true

   because the initial value is 3

# The growth value of the function is One-third ⇒ True

   because the growth factor is \frac{1}{3}

# The function shows exponential decay ⇒ True

   because the growth factor is less than 1

# The function is a stretch of the function f(x)=(\frac{1}{3})^{x}

   ⇒ True

  because stretched vertically means multiply f(x) by constant greater

  than 1 and 3 is greater than 1

# The function is a shrink of the function f(x)=(3)^{x} ⇒ Not true

   because the growth factor is not 3

4 0
3 years ago
Read 2 more answers
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