Iwill give brainliest to best answer

23

Step-by-step explanation:

First of all substitute x with g(x) on the expression of f(x)

; (f.g)(x) = -4(2x - 6) + 7

; (f.g)(x) = -8x + 24 + 7

Then substitute the value of x with the value 1...as the question asks yu

; (f.g)(1) = -8(1) + 24 + 7

; Hence (f.g)(1) = 23

step-by-step explanation:

circumference divided by 3.141592654 then timesthe radius twice

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!