Question

I need help with this calculus question

Answer 1

- 47 → d

using the ' product rule '

$\frac{d}{dx}$ (uv) = uv' + vu' = (3 × - 4) + (7 × - 5 ) = - 12 - 35 = - 47

Answer 2

It is (b) - 47.  look up your question online for articles on how to solve.