Find dy/dx if y = 3x4 + 2x2 − 5x + 7.

Here are the solutions to the questions you sent:

Question 3(d): Find $\frac{dy}{dx}$ if $y = 3x^4 + 2x^2 - 5x + 7$.

Step 1: Differentiate each term with respect to $x$.
We use the power rule for differentiation, $\frac{d}{dx}(ax^n) = nax^{n-1}$, and the rule that the derivative of a constant is 0.

$$$$