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astra-53 [7]
3 years ago
5

What is the inverse of f(x)= 1/4x- 7

Mathematics
1 answer:
trasher [3.6K]3 years ago
7 0

Answer:

f−1(y)=4(y−7) is the inverse function

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If a and b are both integers and b does not equal 0, then -(a/b) = (-a)/b = a/(-b) Choose two values for a and b. see if those v
kkurt [141]

a=4 , b=3  These values make the equation true .

<u>Step-by-step explanation:</u>

Here we have , If a and b are both integers and b does not equal 0, then -(a/b) = (-a)/b = a/(-b) Choose two values for a and b. We need to find if those values make the equation true . Let's find out:

We have the following equation:

-(a/b) = (-a)/b = a/(-b) , Let a=4 , b=3 , So

⇒ -(a/b) = (-a)/b = a/(-b)

⇒ -\frac{a}{b} = \frac{-a}{b} = \frac{a}{-b}

⇒ -\frac{4}{3} = \frac{-4}{3} = \frac{4}{-3}

⇒ -\frac{4(-1)}{3} = \frac{-4(-1)}{3} = \frac{4(-1)}{-3}                   { Multiplying by -1 }

⇒ \frac{4}{3} = \frac{4}{3} = \frac{4}{3}

Therefore , These values make the equation true .

7 0
3 years ago
When X=18, Y=14. Find the value of x when y=42.<br><br> A) 32<br> B) 18<br> C) -18 <br> D) 54
Karolina [17]

Answer:

D)54

Explanation:

hope this helps you...

4 0
2 years ago
Annie visits a redwood forest she is amazed to read that a certain tree trunk has a diameter of 25 feet what is the approximate
babunello [35]

Answer: 78.5 ft

Step-by-step explanation: 25 times 3.14

4 0
3 years ago
What is the solution to the equation? 14g= 154 5 11 140 2,156
sweet [91]

Answer:

answer is b-11 just took the test

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
A line passes through the point(4,-3) and has a slope of 5/4 what is the equation for this line
miv72 [106K]

Answer:

see explanation

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y-intercept )

here m = \frac{5}{4}, hence

y = \frac{5}{4} x + c ← is the partial equation

to find c substitute (4, - 3) into the partial equation

- 3 = 5 + c ⇒ c = - 3 - 5 = - 8

y = \frac{5}{4} x - 8 ← equation of line


6 0
3 years ago
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