Composite of two given functions as an expression in x

1. A.
   $\frac{6+x}{10-2x}$
2. B.
   $\frac{6-x}{10+2x}$
3. C.
   $\frac{6+x}{10+2x}$
4. D.
   $\frac{6-x}{10-2x}$

Tap an option to check your answer.

1. A.
   $\frac{x^3+1}{x^2+2}$
2. B.
   $41x$
3. C.
   $g(f(x))$
4. D.
   $\frac{5x-7}{41}$

Tap an option to check your answer.

1. A.
   $\cos x$
2. B.
   $x$
3. C.
   $\tan\dfrac{x}{2}$
4. D.
   $\cos\dfrac{x}{2}$

Tap an option to check your answer.