Answer:y
=
3
x
−
1
Explanation:
Find
d
y
d
x
of
y
equation
y
=
3
x
2
−
x
3
d
y
d
x
=
6
x
−
3
x
2
Then from the point (1,2) we can obtain the x value which is 1
Insert
x
=
1
into
d
y
d
x
d
y
d
x
=
6
(
1
)
−
3
(
1
)
2
d
y
d
x
=
3
To form the equation we have to base it from the original equation
y
=
m
x
+
c
we know that m=3 from
d
y
d
x
=
3
y
=
3
x
+
c
use the coordinates given fro x and y values to find c
(1,2) x=1 , y=2
(
2
)
=
3
(
1
)
+
c
c
=
−
1
Then we put c back into the general form to get the final tangent equation
y
=
3
x
−
1
Step-by-step explanation:
Answer:
7 miles in all
Step-by-step explanation:
1
5.5
+1.5
= 7.0
How many colors are there in total?
