Create an exponential function whose graph has:?

0 ⤊

a) a y-intercept of -2 and an asymptote at y=8
b) a y-intercept of 1 and an asymptote at y= -4

2007-04-08 17:19:46 · 2 answers · asked by de4th 4 in Science & Mathematics ➔ Mathematics

(a) y = -10 e^x +8

(b) y = 5e^x -4

(put the asymptote as the +/- aat the end)
then plug in the x=0, y=intercept... to find the stretch

2007-04-08 17:25:16 · answer #1 · answered by Anonymous · 0⤊ 0⤋

a) y = -10e^-kx + 8
b) y = 5e^-kx - 4

2007-04-09 00:35:26 · answer #2 · answered by Helmut 7 · 0⤊ 0⤋