# MATH

posted by .

f(x)=3x+2 g(x)=-2x+1
a) Write an equation for ( f+ g)(x)
b) Determine (f+g)(6)
c) Determine (fg)(6)
d) Determine the domain of (f/g)(x)

• MATH -

(f+g)(x) = f(x) + g(x)
(fg)(x) = f(x) g(x)
(f/g)(x) = f(x) / g(x)
so:
a) (f+g)(x) = x+3
etc.

## Similar Questions

1. ### algebra

what would a graph look like if.. y= (3/4)x + 2 and the domain is... x = {-8,-4,0,4,8} would it be discrete or continous?
2. ### Math

F(x)=sqrt(9-3x) determine the domain of f How would I break that out to determine f
3. ### trig

2. Determine the amplitude of: y= cos x 3. Determine the domain of: y= 4 sin x 4. Determine the range of: y= - sin x 5. Determine the period of: y= 3 sin ðx 6. Determine the phase shift of: y= 3 cos (2x -1) 7. Solve the following …
4. ### math

What are the equation on these 1. Determine the amplitude of y = -16 cos (x) 2. Determine the amplitude of = -sin (x) 3. Determine the domain of = -5 cos (x) 4. Determine the range of y = -10 sin (x) 5. Determine the period of y = …
5. ### Chemistry

1)Write the general equation used to determine the volume of stock required to make a given concentration of standard?
6. ### Physics

At t = 0, a 785 g mass at rest on the end of a horizontal spring (k = 125 N/m) is struck by a hammer, which gives the mass an initial speed of 2.70 m/s. (a) Determine the period of the motion. T= .4979201367s Determine the frequency …
7. ### math

the points (-9,0) and (19,0) lie on parabola. a.) determine an equation for its axis of symmetry: X=5 b.) the y-coordinate of the vertex is -28. determine an equation for the parabola in factored form. c.)write your equation in part …
8. ### Physics

The equation of a transverse wave traveling along a very long string is given by y = 5.2 sin(0.013π|x + 4.7π|t), where x and y are expressed in centimeters and t is in seconds. (a) Determine the amplitude. (b) Determine the …
9. ### Math

determine the values of a,b,c,and d for a sinusoidal equation in the form: y= a sin b(x-c)+d and y= a cos b(x-c)+d using the max= 23.1 and min= -19.7 to determine the value. how to determine the values?
10. ### Maths

Given the equation y=2x-4 of an exponential function f 1)write down the equation of horizontal asymptote of f 2)determine the y intercept of f 3)determine the y value of a point on f with x=-2 4)draw the graph of the function of f …

More Similar Questions