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Salsk061 [2.6K]
3 years ago
5

Help me with number 4 and 5

Mathematics
1 answer:
denpristay [2]3 years ago
7 0
24 and -5 are the answers
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If f(x) = 5x − 3, which expression represents its inverse function?
tangare [24]

Answer:

f ^{-1}(x)=\frac{x+3}{5}

Step-by-step explanation:

To find the inverse of a function f (x) follow the steps below:

1) Make y = f (x)

y= 5x - 3

2) Solve for the variable x

y+3= 5x - 3+3

y+3= 5x

x=\frac{y+3}{5}

3) Exchange the variable x with the variable y

y=\frac{x+3}{5}

4) Make y = f ^{-1}(x)

f ^{-1}(x)=\frac{x+3}{5}

Finally, the inverse of the function f (x) is: f ^{-1}(x)=\frac{x+3}{5}

5 0
3 years ago
All the members of a construction crew work at the same pace. Four members of the crew, working together, are able to pour found
Anuta_ua [19.1K]

This would take 16 hours.

7 0
3 years ago
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Please help! Will mark Brainly!
Ulleksa [173]

10 hot dogs and 5 hamburgers   your graph would be 2y:1x

\frac{2y}{1x}

4 0
3 years ago
If f(x)=4x^2+1 and g(x)=x^2-5 find (f-g)(x)​
vodka [1.7K]

Answer:

Answer: 5x² - 4

Step-by-step explanation:

f(x) = 4x² + 1

g(x) = x² - 5

Then

(f + g)(x) = 4x² + 1 + x² - 5

             = 5x² - 4

Answer: 5x² - 4

8 0
3 years ago
What property describes 6+0=6
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<span>Additive Identity (Numbers)

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4 years ago
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