3 years ago

Can someone please answer this

Mathematics

1 answer:

nikdorinn [45]3 years ago

5 0

Answer:

The answer us B y= -8/7x -18/7

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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

You read online that a 15 ft by 20 ft brick patio would cost about $2,275 to have professionally installed. Estimate the cost of

VladimirAG [237]

Answer:

$4884 to the nearest $.

Step-by-step explanation:

By proportion it is 2275 * (23*28) / (15*20)

= $4884

3 0

3 years ago

Find the area of the shaded region. Attached below

bonufazy [111]

Answer:16.56 cm

Step-by-step explanation:

5.8*1.2=6.96

6.4*.8=5.12

1.2+.8=2

5.6-2-3.6

5.6*.8=4.48

4.48+5.12+6.96=16.56

5 0

3 years ago

Read 2 more answers

4. Z BAD is bisected by AC. What is the value of x? (3pts)

Snowcat [4.5K]

(-4x + 42) = (64 - 6x)
-4x + 42 = 64 - 6x
+6x on both sides
2x + 42 = 64
-42 on both sides
2x = 22
/2 on both sides
x = 11

Answer:
x = 11

4 0

3 years ago

Fine the probability. I NEED THE STEPS IF POSSIBLE

miss Akunina [59]

Answer:

1/6x1/2=1/12

Step-by-step explanation:

3 0

3 years ago