I am not so sure, but I think the tree is 24ft high because a 6ft fence casts a 6ft shadow.
Hope this helps!
Answer:
A
Step-by-step explanation:
Answer:
f(x) is compressed horizontally
Step-by-step explanation:
Given
Required
The effect on f(x)
implies that f(x) is horizontally compressed by 13.
So, we have:
So:
Answer:
Step-by-step explanation:
Two negative signs equate to a positive sign, so we can write as just :
Add up similar terms:
Add 21 to both sides:
Subtract x from both sides:
Divide both sides by 4:
Answer:
y = 4
Step-by-step explanation:
y - 1 = √y + 5
(y - 1)² = y + 5 (Square both sides)
y² - 2y + 1 = y + 5 (Expand left side)
y² - 3y - 4 = 0 (Subtract y and 5 from both sides)
(y + 1) (y - 4) = 0 (Factor)
y = -1, 4 (Use ZPP)
When we check y = -1 we see that it is not a solution so the answer is y = 4.