High School Math : Finding Second Derivative of a Function

Study concepts, example questions & explanations for High School Math

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Example Questions

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Example Question #34 : Derivatives

What is the second derivative of ?

Possible Answers:

Correct answer:

Explanation:

To take the second derivative, we need to start with the first derivative.

To take the derivative of this equation, we can use the power rule. The power rule says that we lower the exponent of each variable by one and multiply that number by the original exponent.

Simplify.

Remember that anything to the zero power is equal to one.

Now we repeat the process, but using  as our expression.

We're going to treat  as being  since anything to the zero power is equal to one.

Notice that  since anything times zero is zero.

 

Example Question #35 : Derivatives

What is the second derivative of ?

Possible Answers:

Undefined

Correct answer:

Explanation:

To take the second derivative, we need to start with the first derivative.

To take the derivative of this equation, we can use the power rule. The power rule says that we lower the exponent of each variable by one and multiply that number by the original exponent.

We are going to treat  as  since anything to the zero power is one.

Notice that  since anything times zero is zero.

Simplify.

As stated before, anything to the zero power is one.

Now we repeat the process but use , or , as our expression.

As stated before, anything times zero is zero.

Therefore, .

Example Question #36 : Derivatives

What is the second derivative of ?

Possible Answers:

Correct answer:

Explanation:

To find the second derivative, first we need to start with the first derivative.

To find the first derivative, we can use the power rule. We lower the exponent on all the variables by one and multiply by the original variable.

Anything to the zero power is one.

Now we repeat the process using  as our expression.

We're going to treat  as .

Notice that  since anything times zero is zero.

As stated before, anything to the zero power is one.

Example Question #37 : Derivatives

What is the second derivative of ?

Possible Answers:

Correct answer:

Explanation:

To find the second derivative, we start by taking the first derivative.

To find the first derivative, we can use the power rule. We lower the exponent on all the variables by one and multiply by the original variable.

We're going to treat  as  since anything to the zero power is one.

Notice that  since anything times zero is zero.

Now we repeat the process, but using  as our expression.

Example Question #38 : Derivatives

What is the second derivative of ?

Possible Answers:

Correct answer:

Explanation:

To find the second derivative, we need to start by finding the first derivative.

To find the first derivative, we can use the power rule. To do that, we lower the exponent on the variables by one and multiply by the original exponent.

We're going to treat  as  since anything to the zero power is one.

Notice that  since anything times zero is zero.

Now we repeat the process but using  as our expression.

Remember, anything to the zero power is one.

Example Question #1 : Finding Second Derivative Of A Function

What is the second derivative of ?

Possible Answers:

Correct answer:

Explanation:

To find the second derivative, we need to start by finding the first derivative.

To find the first derivative for this problem, we can use the power rule. The power rule states that we lower the exponent of each of the variables by one and multiply by that original exponent.

Remember that anything to the zero power is one.

Now we repeat the process, but we use  as our expression.

For this problem, we're going to say that  since, as stated before, anything to the zero power is one.

Notice that  as anything times zero is zero.

Example Question #2 : Finding Second Derivative Of A Function

What is the second derivative of ?

Possible Answers:

Correct answer:

Explanation:

To find the second derivative, we need to start with the first derivative.

To solve for the first derivative, we're going to use the chain rule. The chain rule says that when taking the derivative of a nested function, your answer is the derivative of the outside times the derivative of the inside.

Mathematically, it would look like this: 

Plug in our equations.

From here, we can use our normal power rule to find the second derivative.

Anything times zero is zero.

Anything to the zero power is one.

Example Question #42 : Derivatives

What is the second derivative of ?

Possible Answers:

Correct answer:

Explanation:

To find the second derivative, we need to find the first derivative first. To find the first derivative, we can use the power rule.

For each variable, multiply by the exponent and reduce the exponent by one:

Treat as since anything to the zero power is one.

Remember, anything times zero is zero.

Now follow the same process but for .

Therefore the second derivative will be the line .

Example Question #3 : Finding Second Derivative Of A Function

Let .

Find the second derivative of .

Possible Answers:

Correct answer:

Explanation:

The second derivative is just the derivative of the first derivative. So first we find the first derivative of . Remember the derivative of is , and the derivative for  is .

 

 

Then to get the second derivative, we just derive this function again. So

Example Question #32 : Finding Derivatives

Define .

What is ?

Possible Answers:

Correct answer:

Explanation:

Take the derivative  of , then take the derivative of .

 

 

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