The table shows some values of the derivative of an unknown function f.Complete the table by finding the derivative of each transformation of f, it possible a) g(x) = f(x) - 2 b) h(x) = 2 f(x) c) r(x) = f(-3x)

abondantQ

abondantQ

Answered question

2021-01-22

The table shows some values of the derivative of an unknown function f.Complete the table by finding the derivative of each transformation of f, it possible
a) g(x)=f(x)  2
b) h(x)=2f(x)
c) r(x)=f(3x)

Answer & Explanation

ottcomn

ottcomn

Skilled2021-01-23Added 97 answers

Step 1
The derivative properties:
ddx(f(x)  a)=f(x)
ddx(af(x))=af(x)
calculate the derivative of g(x)=f(x)  2 with respect to x as follows
g(x)=ddx(f(x)  2)
=f(x)

Step 2
Now calculate the derivative of h(x)=2f(x) with respect to x as follows
h(x)=ddx=(2f(x))
=2f(x)
h(x)=2f(x)

Step 3
Now calculate the derivative of r(x)=f(3x) with respect to x as follows
r(x)=ddx=f(3x)
= 3f(3x)
As r(x)= 3f(3x), compute the the value of
3f(3x)
r(2)=3f[3 (2)]
=3f(6)
Here r(2)= 3f(6) cannot be computed the values
of f(6) is not known.
r(1)= 3f[3 (1)]
= 3f(3)
= 3(5)
=15
r(0)= 3f[3 (0)]
=3(13)
=1
And r(1)= 3f[3 (1)]
= 3f(3)
Hense 3f(3) can not be compluted.
alenahelenash

alenahelenash

Expert2023-05-13Added 556 answers

Here are the derivatives of each transformation of the unknown function f:
a) g(x)=f(x)2
To find the derivative of g(x), we need to differentiate f(x) with respect to x. Since -2 is a constant, its derivative is 0. Thus, the derivative of g(x) is the same as the derivative of f(x):
dgdx=dfdx
b) h(x)=2f(x)
To find the derivative of h(x), we differentiate 2f(x) with respect to x. Using the constant multiple rule, we know that the derivative of a constant (in this case, 2) times a function (f(x)) is equal to the constant times the derivative of the function:
dhdx=2·dfdx
c) r(x)=f(3x)
To find the derivative of r(x), we differentiate f(-3x) with respect to x. Using the chain rule, we multiply the derivative of the outer function (f) with the derivative of the inner function (-3x):
drdx=dfd(3x)·d(3x)dx
To simplify further, we know that d(3x)dx=3:
drdx=dfd(3x)·(3)
xleb123

xleb123

Skilled2023-05-13Added 181 answers

a) Let's find the derivative of the function g(x) = f(x) - 2. To differentiate g(x), we need to differentiate each term separately. Since the derivative of a constant (in this case, -2) is zero, we only need to find the derivative of f(x). Let's denote the derivative of f(x) as f'(x). Therefore, the derivative of g(x) is given by:
g(x)=f(x)0=f(x)
b) Now, let's find the derivative of the function h(x) = 2f(x). Similar to part a, the derivative of a constant (in this case, 2) is zero, so we only need to find the derivative of f(x). Using the product rule, the derivative of h(x) is given by:
h(x)=2·f(x)
c) Lastly, let's find the derivative of the function r(x) = f(-3x). To find the derivative of r(x), we need to apply the chain rule. Let's denote the derivative of f(-3x) as f'(-3x). Using the chain rule, the derivative of r(x) is given by:
r(x)=f(3x)·(3)
These are the derivatives of the given transformations of the unknown function f.

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