QUESTION IMAGE
Question
the following table lists the values of functions g and h, and of their derivatives, g and h, for the x-values -3 and 2.
| x | g(x) | h(x) | g(x) | h(x) |
|---|---|---|---|---|
| 2 | 4 | -3 | 3 | -4 |
evaluate \\(\frac{d}{dx}\leftg\left(h(x)\
ight)\
ight\\) at \\(x = 2\\).
Step1: Apply Chain Rule
The chain rule for differentiation states that if we have a composite function \( y = g(h(x)) \), then its derivative is \( \frac{dy}{dx}=g'(h(x))\cdot h'(x) \). So we need to evaluate \( g'(h(2))\cdot h'(2) \).
Step2: Find \( h(2) \)
From the table, when \( x = 2 \), \( h(2)=- 3 \).
Step3: Find \( g'(h(2)) \)
Since \( h(2)=-3 \), we need to find \( g'(-3) \). From the table, when \( x=-3 \), \( g'(-3) = - 7 \).
Step4: Find \( h'(2) \)
From the table, when \( x = 2 \), \( h'(2)=-4 \).
Step5: Multiply the results
Now we multiply \( g'(h(2)) \) and \( h'(2) \). So \( g'(h(2))\cdot h'(2)=g'(-3)\cdot h'(2)=(-7)\times(-4) = 28 \).
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\( 28 \)