Okay So i've been stuck on these for awhile, You don't have to tell me straight out the answers just how to get them would be nice.

1. Given that F(x) = x 2 + 2, evaluate F(1) + F(5).

38
30
15

2.
If G(x) = 3x + 1, then G -1(1) is

4
1/3
0

3.
Given that F(x)=x 2+2, evaluate F(2).

0
2
6

4.
Evaluate [3(5 + 6) + 2] ÷ 7

3
5
23/7

Question

Okay So i've been stuck on these for awhile, You don't have to tell me straight out the answers just how to get them would be nice.

1. Given that F(x) = x 2 + 2, evaluate F(1) + F(5).


38
30
15


2. 
If G(x) = 3x + 1, then G -1(1) is


4
1/3
0

3. 
Given that F(x)=x 2+2, evaluate F(2).


0
2
6


4. 
Evaluate [3(5 + 6) + 2] ÷ 7


3
5
23/7

terenzreignz · Answer

That's a lot of questions :D

anonymous · Answer

I know i've been on this test for almost an hour >.>

terenzreignz · Answer

Number 1.

terenzreignz · Answer

$$\Large F(\color{red}x) = \color{red}x^2 + 2$$

terenzreignz · Answer

How did you do this?

anonymous · Answer

This is going to be hard to sxplain cause it's done in my head. 
But I kinda figured it out. 
Sorry the reply took so long I was solving it. But I got 2 of them right. Thanks for helping though.