Please explain with full explanation​

Given abcd ac=38 and ae=3x+4 find the value of x

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Pentagon abcde is dilated according to the rule do,3(x, y) to create the image pentagon a'b'c'd'e', which is shown on the graph. what are the coordinates of point a of the pre-image? a) (-1, 1)b) (-1, 2)c) (-9, 6)d) (-9, 18)