Algebra
posted by tbell .
evaluate the two compositions
(f*g)(x)
(h*g)(x)
using the functions
F(x)=2x+5
g(x)= x^23
h(x)= 7x/3

(f*g)(x)
= (2x+5)(x^2  3)
= 2x^3 + 5x^2  6x  15
do the other one in the same way
Respond to this Question
Similar Questions

function compositions
I have no idea how to do this question: Write two functions f(x) and g(x) for which (f*g)(x)= 2x²+11x6. Tell how you determined f(x) and g(x). Can you answer this? 
Algebra I
How do you find compositions of functions? 
Calculus
Imagine that you live on an infinitely long and straight street called Infinite Drive. The addresses on Infinite Drive are given by real numbers. Your address on the street is ð while your friend Patrick’s is 3 and Karen’s is … 
algebra functions
can someone help me with this and explain it to me step by step so i can try to solve the remaining problems i have I have no idea of what I am supposed to do For each problem, construct two composite functions, . Evaluate each composite … 
algebra functions
construct two composite functions, Evaluate each composite function for x=2. i do not fully understand functions yet can someone explain and show me what to do step by step f(x)=x+1 g(x)=x2 
algebra functions
can someone please check my answer For each problem, construct two composite functions, . Evaluate each composite function for x=2 f(x)=3x g(x)=1/x f(g)*(x)=3x(1)/x x=2 3x(1)/x=6 g(f)*(x)=(3x)=2*3x=6 x=2 3*(2)=6*6=36 
algebra functions check my answer
For each problem, construct two composite functions, . Evaluate each composite function for x=2 f(x)=3x g(x)=1/x f(g)*(x)=3x(1)/x x=2 3x(1)/x=6 g(f)*(x)=(3x)=2*3x=6 x=2 3*(2)=6*6=36 
Algebra
Can anyone help me with the following, by providing the steps to get there and what it is that you are doing? 
Algebra
Can anyone help me with this problem? I need to show all steps and explain what is happening. A graph would be great for a visual too if possible. Thank you for any help. We define the following functions: f(x) = 2x + 5, g(x) = x^2 
Algebra 2
for the functions f(x) = 5x +50 and g(x) = 1/5x 10 evaluate both f(g(x)) and g(f(x)). Are these functions inverses?