y
=
7
x
Calculate the derivative
Take the derivative
y
′
=
d
x
d
(
7
x
)
y
′
=
d
x
d
(
7
x
)
Differentiate
Differentiatie the exponential function
y
′
=
7
x
×
ln
7
y
′
=
7
x
×
ln
7
Answer
y
′
=
7
x
⋅
ln
7