3. Which description of a preimage and its image match the transformation described by (x, y) → (x, 4y)? A. The transformation is an example of a rigid motion.
B. The image has been translated four units up.
C. The image has been dilated horizontally by a scale factor of 4,
D. The image has been dilated vertically by a scale factor of 4.

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Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Which of the statements about the graph of the function y = 2x are true? check all of the boxes that apply. the domain is all real numbers x because the exponent of 2 can be any real number when the x-values increases by 1 unit, the y-value multiplies by 2. the y-intercept is (0, 1). the graph never goes below the x-axis because powers of 2 are never negative. the range is all real numbers.

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.