A.f(x) = –81(4/3)^x-1
B. f(x) = –81(-3/4)^x-1
C. f(x) = –81(-4/3)^x-1
D. f(x) = –81(3/4)^x-1
Answer: C. f(x) = -81(-4/3)^(x-1)
This is just the short answer for all of you that are working on edge.nuity and don't have the time or need for a long explanation. I just took the unit test and this was correct, I hope this helped someone out there :3
z = 4
z = -28
z = -112
z = 784
The solution of expression is,
⇒ z = 4
We have to give that,
An expression to solve is,
⇒ 70 = - 7 (- 2 - 2z)
Now, Simplify the expression as,
⇒ 70 = - 7 (- 2 - 2z)
Divide both sides by 7,
⇒ 70/ 7 = - 7 (- 2 - 2z)/7
⇒ 10 = - 1 (- 2 - 2z)
Apply distributive property,
⇒ 10 = 2 + 2z
Subtract 2 on both sides,
⇒ 10 - 2 = 2z
⇒ 2z = 8
Divide on both sides by 2,
⇒ z = 8/2
⇒ z = 4
Therefore, The solution is,
⇒ z = 4
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B. –10
C. –6
D. –4