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sukhopar [10]
3 years ago
12

What is the inverse of the function f(x) = 2x – 10?

Mathematics
1 answer:
Natasha2012 [34]3 years ago
7 0

Answer:

f^-1 (x)=1/2x+5

Step-by-step explanation:

y=2x-10

x=2y-10

2y=x+10

y=1/2x+10/2

y=1/2x+5

You might be interested in
Find a number that is 96 greater than its opposite
ASHA 777 [7]

Hey there!

To find the opposite of a number, you switch its sign, and to do so, you would multiply by -1. This gives us the equation below.

n=-n+96

To find our number, we need to isolate all of our n's on one side of the equation. Let's try adding n to both sides.

2n=96

We divide both sides by 2.

n=48

As you can see, the opposite of 48 is -48, and 48 is 96 more than -48.

Therefore, our number is 48.

I hope this helps!

6 0
3 years ago
11<br>Simplify.<br>5-8 x 54<br>-​
Ainat [17]

Answer:

-427

Step-by-step explanation:

5-8 x 54

It is a very simple numerical simplification. We have to use the BODMAS rule to determine the value of this simplification. At first, we see that there is no bracket, so we will go to "or." Since there is no "or," we will go to the "divide" rule. Again, there is no "Divide," so we will go to the "Multiplication" rule.

= 5 - (8 x 54)

= 5 - 432

Now, we will deduct 432 from 5. Since 432 is a negative number, the answer will be a negative value.

= -427

The simplification answer = -427

4 0
4 years ago
Simplify the expression<br><br> -6 +4x+ 9 -2x
ZanzabumX [31]

Answer:

3 + 2x

Step-by-step explanation:

combine -6 + 9 = 3

combine 4x - 2x = 2x

4 0
2 years ago
Read 2 more answers
Write the quadratic function f(x) = x2 + 8x + 3 in vertex form.
Karolina [17]
f(x) =x^{2} +8x+3 \\ f(x) =a(x-p)^{2} +q =(x+4)^{2}-13 \\ a=1 \\ p= \frac{-b}{a} =- \frac{8}{2} =-4 \\ q=f(p) =f(-4)=(-4)^{2} +8 \cdot (-4)+3=16-32+3=-13
7 0
4 years ago
Read 2 more answers
The time in new York is 16.45 (EDT).what is the time in brisbane(AEST)which is 14 hours ahead?
elena-s [515]
Answer: 06.45

Explanation: For this problem, it is essential to know that there are 24 hours in a day. With that said, we take our starting time of 16.45 and since we want to know what time it is 14 ahead (addition), we add the two numbers together.

16.45 + 14 = 30.45

Since there are only 24 hours in a day, and we have exceeded that value, we subtract 24.

30.45 - 24 = 06.45

And that is the time in Brisbane.

Alternatively, you can count time in 12-hour format and convert 16.45 to 4.45 pm by subtracting 12.

Knowing your start time is 4.45pm simply add 14 to that (or change the pm to an and add 2 since 14-12=2).

You will again get 6.45am.

Cheers.
7 0
2 years ago
Read 2 more answers
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