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ANTONII [103]
3 years ago
7

Drag and drop the answer into the box to identify each function as linear, exponential, or neither.

Mathematics
2 answers:
anygoal [31]3 years ago
5 0

Answer:

linear and neither

Step-by-step explanation:

its old so i might as well answer for new people and get some points while im at it.

katrin2010 [14]3 years ago
4 0
<span>​x​ 2 3 4
f(x) 5.5 7 8.5 </span>

The first function is linear. When you subtract 5.5 from 7, you get 1.5 and when you subtract 7 from 8.5 you also get 1.5. That's how we know it's a linear function because there's clearly pattern. HOWEVER, if you had 5.5, 7, and 9 that would not be a linear function. Why? Because when you take away 7 from 9 you get 2. In order for it to be a linear function you have to get the same exact number when you subtract. 

<span>x​ 0 3 6
f(x) 1 8 64</span> 

The second function is exponential because when you divide you get the exact same number. 8/1 = 8 and 64/8 = 8. So this is exponential. But if you had 72 instead of 64 it would not be an exponential function because there has to be a pattern. 

I hope this makes sense. Btw I had this question on my test too and this is correct. 
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Consider function f. f(x) = sqrt 7x- 21
Arada [10]

Answer:

f^-1(x) = (x² + 21)/7

Step-by-step explanation:

Since f(x) = y = √(7x – 21), to find the inverse of f(x) we have to write x in terms of y in order to make x the dependent variable and y the independent variable. The steps involved are:

Step 1: square both sides of the equation, y = √(7x – 21). Doing that, we have:

y² = 7x – 21

Step 2: Add 21 to both sides of the resulting equation. Doing that, we have:

y² + 21 = 7x

Step 3: Divide both sides of the equation by 7. Doing that we have:

x = (y² + 21)/7

Step 4: Replace x with f^-1(x) and y with x. Doing that, we have:

f^-1(x) = (x² + 21)/7

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3 years ago
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Your answer is 9.722
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A thin human hair is about 1.7 × 10−5meter in diameter. Write this measurement in standard notation. WILL MARK BRAINLEST
marissa [1.9K]

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Step-by-step explanation:

Move the decimal point 5 places to the left (because it’s negative 5).

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2. Separate to groups:
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I hope this helps!
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