Math (is this correct)
posted by Keisha .
The functions f and g are defined by:
f:x 3x+1
g:x 9x
Determine an expression for the function gf(x)
3(9x)+1
273x+1

yes, but why not combine the 27 and 1?

3(9x)+1=273x+1
Respond to this Question
Similar Questions

math
how would this equation look: y=f(x+3) when y=f(x)= x^2 would it look like so.... x^2(x+3) adam, there's a slight problem with your notation in the expression y = f(x+3). Ordinarily we wouldn't put an expression in place of a variable, … 
functions math
show that if f is any function, then the function O defined by O(x)=f(x)f(x)all over 2 is odd 
Algebra
Today I did a practice SAT problem. If the function ƒ is defined by ƒ(x) = 2x + 3, and if ƒ(a) = 11, what is the value of a? 
MATH
The function f and g are defined by : f:x > 3x+1 g:x > 9x Determine the expression for the function gf(x) . 
math
The application of one function followed by the application of a second function to the result of the first as in F^1(f(x)) is called composition of functions. The two functions need not be inverse of each other. In a diagram, the … 
Maths
Correct each of the following incorrect statements: 1)The inverse of the function defined by y= 5/x +1 is defined by y= 5/x  1. 2)The graph of a function and its inverse are always reflection in the line =0. 
Algebra
Jessie and Laura are trying to compute the area of a triangle with base 5cm and height, h. Jessie multiplies 1/2 by the product of 5 and h, while Laura multiplies 5 by h and then takes half the result. a)Let J(h) be the function defined … 
Math
A quadratic function is defined by f(x)=3.7x^2+6.8x+4.2. A linear function is defined by g(x)=0.5x+k. Determine the value of k so that the line intersects the parabola at exactly one point. Write your answer to the nearest hundredth 
Math
The functions of f(x), g(x), and h(x) are defined below: f(x) = 2x g(x) = 2x + 5 h(x) = x^2 + 3x  10 Calculate the indicated function values. 1. f(a+b) 2. f(g(x)) 
Advanced Functions
assume the function f(x) and its inverse f1(x) are both defined for xer. give a geometric interpretation of the composite function y=f(f1(x))