Answer:
score = 63
Step-by-step explanation:
1. To write the proportion take the score of the test over the number of points and set it equal to the percent over 100
score 90
----------- = -----------
70 100
Using cross products
100 * score = 90*70
100 score = 6300
Divide by 100
100/100 * score = 6300/100
score = 63
Answer:
The answer is
<h2>

</h2>
Step-by-step explanation:

To find the inverse of f(x) , equate f(x) to y
That's
y = f(x)
We have

Next interchange the terms that's x becomes y and y becomes x

<u>Next solve for y</u>
Move 3 to the other side of the equation
That's

<u>Divide both sides by 25</u>

We have the final answer as

Hope this helps you