Let f(x)=7x-8/3 and g(x)=3x+8/7. Find (f o g)(x) and (g o f)(x).
7x + 4 3x - 4 Consider the functions f(x) = and g(x) = x+3 7-X (a) Find f(g(x)) (b) Find g(f(x)) (C) Determine whether the functions f and g are inverses of each other. ary (a) What is f(g(x))? f(g(x)) = (Simplify your answer.) Give any values of that need to be excluded from f(g(x)). Select the correct choice below and fill in any a ols > ОА. XF (Use a comma to separate answers as needed.) O B....
33. Let S(x)=x?>(5 - 7x). Find the interval over which f(x) is increasing. 34. Let (x)=x*(8-3x). Find the interval over which f(x) is decreasing. 35. Let S(x)=x*-4x' +4x?. Find the intervals of increase and decrease. 36. The function f(x) = x* - 10x has a relative minimum at x = 37. The function f(x)=x*- 2x® has a relative maximum at x = 38. When a circular plate of metal is heated in an oven, its radius increases at the rate...
Let g(x) =3x + 5 and f(x) = x2 + 2x – 7 . Find f(g(x)).
Let F(x,y,z) = <7x, 5y, 2z> be a vector field. Find the flux of F through surface S. Surface S is that portion of 3x + 5y + 7z = 8 in the first octant. Answer:
Let F(x,y,z) = <7x, 5y, 2z > be a vector field. Find the flux of F through surface S. Surface S is that portion of 3x + 5y + 72 = 9 in the first octant. Answer: Finish attempt
Let f(x)=x2+4 and g(x)=3x−6. Find a formula for f(g(x)) in terms of 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) =...
Problem # 1: Let 3-1x< . f(x) 7x 0 x1 The Fourier series for f(x). (an cosx bsinx f(x) n1 is of the form f(x)Co (g1(n,x) + g2(n, x) ) n-1 (a) Find the value of co. (b) Find the function gi(n,x) (c) Find the function g(n, x) Problem #2 : Let f (x ) = 8-9x, - x< I Using the same notation as n Problem #1 above, (a) find the value of co- (b) find the function g1(n,x)....
Question 32 Find (fg)(x). f(x)= 3x g(x)= 5x+ 7 O None of these og)(x)= x/15+21x O [g)(x)= 15x2 + 7 o Vg)(x)= V8x+ 7 O V&)x)15x2+ 21x og)(x)=xV15+/21x Question 41 1 pts List all possible rational zeros given by the Rational Zeros Theorem (but don't check to see which actually are zeros). Q(x)=x*- 4x- 5x+8 O 1.8 - 1. - 2. - 4.-8 Ot1.18 None of the above O 1.2.4,8 O +1.2+4,18
Question 8 f(x) = 3x2 + 2 Find f'(x). 0 sqrt(6x) O (3x^2 + 2)^3/2 O 1/sqrt(3x^2 + 2) O 3x/sqrt(3x^2 + 2)