Let f(x) = x + 4 & g(x) = x2 – 5 (fºg)(x)
HELP Question 1 Let $(x)= 7x, g(x)=x+1. Find the composite function. (fog)(x) o(fºg)(x)= (x+1 o (fºg)(x) = (x+1 o (fog)(x)=x None of these o fºg)(x)=x+2 o fºg)(x)=2/x+1 Question 2 Let P(x) = 2x} + 7x2 – 8x +5. Use synthetic division to find the value P(10). O 5,250 O 2,625 O none of these O 2,624 O 2,626 Question 9 Let f(x)=x2+x, g(x)=x2 - 1. Find (f+g)(x). o (f+g)(x)=0 O None of these o (f+g)(x)=x+1 of+g)(x)=x+ +x-x2-x o (f+g)(x) =...
-. Let f(x) = 3x + 1 and g(x) = -X- 2. Find (fºg)(4).
4. For the given functions, determine the following compositions (fºg)(x) and (g)(x): S(x) = x2 - 4 and g(x) = 2x +3 5. Write as a single logarithm: log, (5) + 4 log; (x) – log, (y) – log, (2) 6. Rewrite the expression as the sum or difference of logarithms, simplify as far as possible. 64.rs log 4
Given f(x) = 3x + 4, g(x) = x a) Find (fºg)(x) b) Write the domain of (f • g) in interval notation.
Grades (1 point) if f(x) = x + 7 and g(x) = xl.find(fºg)(-5) and (8 (-5). Problems 1. (g)(-5) = 2.8.(-5) = Problem 1 Problem 2. Problem 3
For the following exercises, find (fºg)(x) and ( gn) for each pair of functions. 34. f(x) = 4 – x, g(x) = - 4x 35. f(x) = 3x + 2, g(x) = 5 - 6x 36. f(x) = x2 + 2x, g(x) = 5x + 1 37. f(x) = Vx+2, g(x) = 38. f(x)= x +3 1, g(x) = V1 - x
Let g(x) =3x + 5 and f(x) = x2 + 2x – 7 . Find f(g(x)).
Let f(x) = x2 + 1 and g(x) = 2x - 5. Find a. (f+g)(x) b. (f-g)(-1) c. (fog)(-2) d. (f.g)(x) . ()
Let f(x)=x2+4 and g(x)=3x−6. Find a formula for f(g(x)) in terms of x.