Step-2

Title: Differentiation

Grade: 1300-a Lesson: S2-L5

Explanation: Hello Students, time to practice and review the steps for the problem.

Lesson Steps

Step Type Explanation Answer

1

Problem

Find the derivative of the function \$"g"("x") = "e"^"x" + "ln"("x")\$.

2

Step

The given function

\$"g"("x") = "e"^"x" + "ln"("x")\$

3

Step

To find the derivative of g(x), we differentiate each term separately using the rules for exponential and logarithmic functions:

\$ "d"/"dx" "g"("x") = "d"/"dx"("e"^"x") + "d"/"dx"( "ln"("x") ) \$

4

Formula:

The differentiation of exponential and logarithmic formulas

\$ "d"/"dx" "e"^"x" = "e"^"x" \$

\$"d"/"dx"( "ln"("x") ) = 1/"x" \$

5

Hint

Now, we can use the above formulas

\$"g"'("x") = "e"^"x" + 1/"x" \$

6

Step

Therefore, the derivative of g(x) is \$"g"'("x") = "e"^"x" + 1/"x" \$.

7

Choice.A

This choice is incorrect because it is inaccurate as it lacks the term \$1/"x"\$

\$ "e"^"x" + "x" \$

8

Choice.B

This is incorrect because it has extra terms like x and \$"x"^2\$ that are not in the derivative

\$ "xe"^"x" + "x"^2 \$

9

Choice.C

The result obtained is inaccurate due to the absence of the term \$1/"x"\$, rendering it incorrect

\$ ("e"^"x")/"x" - "x"\$

10

Choice.D

This represents the accurate derivative derived from the obtained result

\$ "e"^"x" + 1/"x"\$

11

Answer

Option

D

12

Sumup

Can you summarize what you’ve understood in the above steps?


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