Let the function $f$ be defined as $f(x) = 5x^2 - 7(4x + 3)$. What is the value of $f(3)$?

In parallelogram ABCD below, AC is a diagonal, the measure of $\angle ABC$ is 40°, and the measure of $\angle ACD$ is 57°. What is the measure of $\angle CAD$? Choices: A. 40° B. 57° C. 77° D. 83° E. 97°

The question from the image is: The solution of the differential equation $y\,dx + (x + x^2 y)\,dy = 0$ is Choices: (a) $-\dfrac{1}{xy} = C$ (b) $-\dfrac{1}{xy} + \log y = C$ (c) $\dfrac{1}{xy} + \log y = C$ (d) $\log y = Cx$

ln(x - 2) < 0 if and only if