Which of the following exponential equations shows a horizontal stretch of the function y = 7 ^ x; y = eta ^ (1/2 * x); y = 7 ^ (2x); y = 2 * 7 ^ x; y = 1/2 * 7 ^ 2

1 answer

The exponential equation that shows a horizontal stretch of the function y = 7 ^ x is y = 7 ^ (2x).