<u>QUESTION 1</u>
The given function is

If
decreases by
, then the new value is
.
We need to find the value the function at
which is

This simplifies to

The increment in
is given by;

This simplifies to,

This further simplifies to

Therefore the corresponding increment in
is
.
<u>QUESTION 2</u>
The given function is
.
If
increases by
, then the new value of
is
.
The increment in
is given by

We expand the brackets to get,

We simplify further to obtain,

Therefore the corresponding increment in
is
.
Answer:
y = 8
Step-by-step explanation:
simplify=9y-12=60
add 12 9y=72
divide 9y/9= y= 72/9=8
please mark branliest i really need it.
Solve using system of equations.
y=total money spent, x=amount of rides
y=12+3.5x
y=33
Solve! Set them equal to each other
12+3.5x=33
-12 -12
3.5x=21
x=6
After six rides the all day pass would be cheaper. ;)
Answer:
2 min.
Step-by-step explanation:
1h is 60 min so divide 60 by 30 and you get 2
Answer: 11
Step-by-step explanation:
-4×4= - 16
-16+5= 11