I need help with this

Find the x-intercept and y-intercept of the line. 3x + 5y = −15

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

The vertices of a rectangle are given in the columns of the matrix . if is found to perform a transformation, what are the coordinates of the transformed rectangle? (0, 0), (0, –3), (–3, –3), (–3, 0) (0, 0), (0, 3), (3, 3), (3, 0) (0, 0), (0, 3), (–3, –3), (–3, 0) (0, 0), (0, 3), (–3, 3), (–3, 0)