select the correct answer.\nwhat is the y - intercept of f(x)=3^{x + 2}?\na. (9,0)\nb. (0,9)\nc. (0,-9)\nd…
select the correct answer.\nwhat is the y - intercept of f(x)=3^{x + 2}?\na. (9,0)\nb. (0,9)\nc. (0,-9)\nd. (9,-9)
Answer
Answer:
B. (0,9)
Explanation:
Step1: Recall y - intercept concept
The y - intercept occurs when (x = 0).
Step2: Substitute (x = 0) into function
Substitute (x=0) into (f(x)=3^{x + 2}). Then (f(0)=3^{0+2}=3^{2}=9). The ordered - pair for the y - intercept is ((0,9)).