Question 1085628

{{{ f(x)=7^(sqrt(x ))}}} and {{{ g(x)=3x}}}

a)
{{{(f*g)(4)=7^(sqrt(x )) *3x=7^(sqrt(4)) *3*4=7^2*12=49*12=588}}}

b)
{{{(g*f)(2)=3x*7^(sqrt(x ))=3*2*7^(sqrt(2 ))=6*7^(sqrt(2 ))}}}
c)
{{{(f*f)(1)=7^(sqrt(x )) *7^(sqrt(x )) =7^(sqrt(1)) *7^(sqrt(1 )) =7^1 *7^1=49}}}
 
d)
{{{(g*g)(0) =3x*3x=3*0*3*0=0}}}