if you don't have a Unit Circle yet, this is a good time to get one, you can find many online, check maybe in yahoo images, or google images.
Check the picture below.
notice the section encircled in purple.
Answer:
the green box is 0
Step-by-step explanation:
we are asked to find the <u>x-intercept</u>, which means y = 0
(x, y)
Another way to test this is plug it in 1 for x! (1, y) where x = 1






y = 0
Answer:
65536 mold spores
Step-by-step explanation:
After 3 hours , 4² mold spores are growing.
After 6 hours , 4³ mold spores are growing.
After 9 hours , 4⁴ mold spores are growing.
After 12 hours , 4⁵ mold spores are growing.
It means in every 3 hours , 4 new spores form and grow from each pre-existing spore.
⇒ After 15 hours , 4⁶ mold spores are growing.
⇒ After 18 hours , 4⁷ mold spores are growing.
⇒ After 21 hours , 4⁸ = 65536 mold spores are growing
Answer:a= -21
Step-by-step explanation: