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help! Question 12 The function f(x)=x2-7 is one-to-one on the domain xs-7. Find $-+6). O None...
help with these two please!! Question 13 1p A diet requires at least 29 units of vitamin C and at least 30 units of vitamin B complex. Two food supplements are available that provide these nutrients, in the amounts and costs shown in the table below. How much of each should be used to minimize the cost? Supplement Vitamin C Vitamin B Cost 5 units per gram 2 units per gram 2 cents per gram 2 units per gram 10...
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) =...
2) a) Find the domain of the functions. h(x) = x2 – 5x b) Find the functions (a) fog, (b) go f,(c) f • f and their domains. 1. f(x) = 3x + 5, g(x) = x² + x 2) a) Find the domain 07 the functions. h(x) = 1/72 – 5x g(x) = - 1 g(x) = 1 – tan x b) Find the functions (a) fºg, (b) go f, (c)f of and their domains. . f(x) = sin...
. For f(x)=x2 +3 and g(x) = x2-x, find a. (fogxx); b. the domain of fog a. (fog)(x) = 0 (Simplify your answer.) b. What is the domain of fog? The domain is (Simplify your answer. Type your answer in interval notation. Use integers or fractions for any numbers in the expression.) Enter your answer in the edit fields and then click Check Answer. All parts showing Clear All Check Answer 30 Ps @ w MacBook Air 80 4 11...
Two functions are shown below. g(x) = x2 + 7 f(-x) = 3.8-10 Find (fog)(x) Select one: O A. 3.x2 – 3 O B. 3x2 +11 OC. 9.x2 - 60.x +107 OD. 3.x3 - 10.x2 +2 1.8 – 70
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
answer 10 (3x + 4y = - 14 X 2 c. f(g(x)) 5) Solve the system of equations (4.1) 5x + 7y = -254 - 6) Graph the inequality 3x + 2y s 30. (3x + 4y 2 - 14 21 Graph the system of linear inequamco 5x + 7y - 25 8) Find the value of $1000 invested in an account (2.5, 3.1, 3.21 a. Bearing 3% simple interest after 5 years. Bearing 3% interest compounded monthly after 5...
Question 19 Given f(x) = x2 +2 and g(x) = 3x - 4 find (fog)(x) 9x2 - 12x+9 3x3-8 09x2 - 24x + 18 O x² + 3x-2
please answer to the question in the figure. Find each of the following functions. rx) = V5-x, g(x) = VX2-4 (a) fg State the domain of the function. (Enter your answer using interval notation.) (b) f-9 State the domain of the function. (Enter your answer using interval notation.) (c) fg State the domain of the function. (Enter your answer using interval notation.) (d) fig State the domain of the function. (Enter your answer using interval notation.) x+2 (a) fog (fo...
The function f that satisfies f'(x) = 3x2 +1, f(2)=5 is Select one: a. f(2)=23+ O b. f(x) = 2 + 1 - 5 O c. f(x)=x3 ++2 d. f(x) = 3x2 – 7 O e. None of these. Let f(2) be a function that is continuous on 1, 7] with f(1) =3 and f(7) = 9. Then the Intermediate Value Theorem guarantees that Select one: O a. f'(2)=1 has at least on solution in the open interval (1,7). O...