X= -8 that uis your answer for that question :)
As a formula, you're saying 4*(n-7)=32
This solves to n-7 = 8, so n=15
Answer:
18
Step-by-step explanation:
To continue where you left off, ...

The square root of 324 is 18.
F(x)= x+13
F(-2)= -2 +13
= 11
You plug in -2 for the x