Question

Solve the question below.
https://api.agilixbuzz.com/Resz/~Ey6YBAAAAAgtPT9McBUI1A.4lfcIf1WQczuX0l_mowc2C/19809088,B84/Assets/assessmentimages/alg%202%20pt%202%20u4l1%2015.jpg
400

505

399

506

Answer 1

@Hero

Answer 2

1. Use the rule \((f \circ g)(x)= (f(g(x))\) to rewite the expressions.

Answer 3

im not sure how i would do that

Answer 4

2. You are given:
\(f(x) = 8x - 7\)
\(g(x) = 8x + 8\)

Answer 5

3. \(f(g(x))\) means to do the following: "Replace the \(x\) in \(f(x)\) with \(g(x)\), then simplify.

In other words,
\(f(x) = 8x + 7\)

becomes:
\(f(g(x)) = 8(g(x)) + 7\)

Answer 6

To clarify it better:
\(f(\color\red{x}) = 8\color\red{x} + 7\)

becomes:
\(f(\color\red{g(x)}) = 8(\color\red{g(x)}) + 7\)

Answer 7

The next step is to replace \(g(x)\) with its algebraic expression, but on the right side only:
\(f(\color\red{g(x)}) = 8(\color\red{8x + 8}) + 7\)

Answer 8

I made another mistake. this is actually supposed to be:
\(f(\color\red{g(x)}) = 8(\color\red{8x + 8}) - 7\)

Answer 9

And then afterwards, we're supposed to finally let \(x = 7\)

Answer 10

Or rather find \(f(g(7))\)

Answer 11

so fout would f and g =?

Answer 12

what

Answer 13

You have to simplify this expression to find out:
8(8(7) + 8) - 7

Make sure you work "inside" out. It's easier.

Answer 14

512-7=505

Answer 15

Congrats.

Answer 16

thats the answer

Answer 17

I have 2 more could you help with them