Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
For a differentiable function
f
f
f
, which expression represents the value of the tangent-line approximation
L
(
x
)
L(x)
L
(
x
)
of
f
f
f
at
x
=
a
x = a
x
=
a
? a)
f
′
(
a
)
(
x
−
a
)
f'(a)\bigl(x-a\bigr)
f
′
(
a
)
(
x
−
a
)
b)
f
(
a
)
+
f
′
(
x
)
(
x
−
a
)
f(a)+f'(x)\bigl(x-a\bigr)
f
(
a
)
+
f
′
(
x
)
(
x
−
a
)
c)
f
(
a
)
+
f
′
(
a
)
(
x
−
a
)
f(a)+f'(a)\bigl(x-a\bigr)
f
(
a
)
+
f
′
(
a
)
(
x
−
a
)
d)
f
(
a
)
+
f
′
′
(
a
)
(
x
−
a
)
f(a)+f''(a)\bigl(x-a\bigr)
f
(
a
)
+
f
′′
(
a
)
(
x
−
a
)
Browse the problem library