Calculus 1 Quiz
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DERIVATIVES: DEFINITION & RULES
Question 1
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What is the equation of the line normal to the graph of
f
(
x
)
=
x
2
x
f(x) = x^2\sqrt{x}
f
(
x
)
=
x
2
x
at
x
=
4
x=4
x
=
4
?
A
y
=
20
x
−
48
y = 20x - 48
y
=
20
x
−
48
B
y
=
−
20
x
+
112
y = -20x + 112
y
=
−
20
x
+
112
C
y
=
−
1
20
x
+
32
y = -\frac{1}{20}x + 32
y
=
−
20
1
x
+
32
D
y
=
−
1
20
x
+
161
5
y = -\frac{1}{20}x + \frac{161}{5}
y
=
−
20
1
x
+
5
161
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