Answer:
To find f-¹(x) of f(x) equate f(x) to y
That's
f(x) = y
So we have
Next interchange the variables that's x becomes y and y becomes x
That's
Next make y the subject
Cross multiply
We have
4y - 7 = 10x
Move -7 to the right side of the equation
4y = 10x + 7
Divide both sides by 4
We have the final answer as
So
Hope this helps you
It is shown that he goes down in a slower time than he does going up.
Answer:
PART A:
PETER
PART B:
GIWA
PART C:
WEEK 10
Step-by-step explanation:
PART A:
Peter saves $10 every week why GIWA saves $10 every two weeks making it $5 every week.
PART B:
GIWA started with more money. He started with $ 70 why Peter started with $20
PART C:
They both had $120 in the tenth week
Answer:
80%
Step-by-step explanation:
1 = 20%
4 = 80%
hopefully this helps you :)
pls mark brainlest ;)
Answer:
Step-by-step explanation:
tan49=h/17
h=17tan49
h=19.6 m
