X2-1 I think that's the answer because there's 1 less, 1 take away the x and squared!! hard to explain but that's how I thought about it
Plug in 3 for f(x)
f(3)=(3)²+7
f(3)=9+7
f(3)=16
Hoped this helped!
The answer is 2 hopefully I answered your question in time
Your answer is 16 because you have to multiply b and c but it has to be squared and then you subtract 400 by 144 and get 256 and the square root of that is 16
Answer:
The result is

Or
2.5
Step-by-step explanation:
We want to simplify

We know that 4 goes into 8 twice.
This implies that:

We can convert the result into decimals as follows:
