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ioda
3 years ago
15

Find the inverse of f(x) = -3 -4/5x

Mathematics
1 answer:
Alenkinab [10]3 years ago
3 0

Answer:

-5/4x -15/4 = y

Step-by-step explanation:

y = -3 - 4/5x

To find the inverse, exchange x and y

x = -3 - 4/5 y

Solve for y

Add 3 to each side

x+3 = -4/5y

Multiply each side by -5/4

-5/4(x+3) = -5/4 * -4/5(y)

-5/4x -15/4 = y

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ANSWER QUICK FOR BRAINLIEST AND THE ANSWER IS NOT 400 I already tried..
allochka39001 [22]

Answer:45

Step-by-step explanation:

5 0
3 years ago
-3 - 3x = -4(2x + 7)
Marizza181 [45]

Answer :    x=−5

Step-by-step explanation: Step 1: Simplify both sides of the equation.

−3−3x=−4(2x+7)

−3+−3x=(−4)(2x)+(−4)(7)(Distribute)

−3+−3x=−8x+−28

−3x−3=−8x−28

Step 2: Add 8x to both sides.

−3x−3+8x=−8x−28+8x

5x−3=−28

Step 3: Add 3 to both sides.

5x−3+3=−28+3

5x=−25

Step 4: Divide both sides by 5.

5x /5 =  −25 /5

x=−5

Answer:

x=−5

5 0
3 years ago
Help explain this to me: Gerome collected $9.23 more than Manuel? If Cindy still collects 2 times as much as Gerome, ho much mon
Annette [7]
$18.46
Because gerome collected $9.23 and I mult. 2 times and my answer is: $18.46
3 0
4 years ago
margo borrows $900.00 and must pay it back with 6% interest after 7 months. what is the total amount margo will pay back ?
ozzi

Answer:

$954

Step-by-step explanation:

6% = 0.06

Adding 1 to the interest makes it so it’s added to the original amount.

$900 x 1.06 = $954

8 0
3 years ago
How would you describe the difference between the graphs of f(x) = x^2 +4 and<br> g(y) - y^2 +4?
s2008m [1.1K]

Answer:

Step-by-step explanation:

The function f(x)=x^2+4 is a positive upwards opening parabola with the vertex at (0, 4), whereas

the function g(y)=y^2+4 is a positive rightwards opening parabola (sideways parabola) with the vertex at (4, 0). This means that answer to this is that g(y) is reflected over the x axis whereas f(x) is reflected over the y axis.

3 0
3 years ago
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