Use the principle of square roots to solve the equation.(x + 4)2 = 44
A. 2
, -2
B. -4 + 2
, -4 - 2
C. 2
- 4, 2
+ 4
D. -4 + 2
, -4 - 2
Answer: D
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For the given functions f and g, find the requested composite function.f(x) = 
, g(x) = 
; Find the function f ? g.
A. 
B. 
C. 
D. 
Solve the problem.Julia is preparing a meal by combining three ingredients. One unit of each ingredient provides the following quantities (in grams) of carbohydrates, fat, and protein. Protein(g)Carbohydrates(g)Fat (g)Ingredient A331Ingredient B242Ingredient C451Ideally the meal should contain 
of protein, 
of carbohydrates, and 
of fat. How many units of each ingredient should Julia use?
A. 2 grams of ingredient A, 3 grams of ingredient B, 4 grams of ingredient C B. 3 grams of ingredient A, 4 grams of ingredient B, 2 grams of ingredient C C. 4 grams of ingredient A, 2 grams of ingredient B, 3 grams of ingredient C D. 2 grams of ingredient A, 4 grams of ingredient B, 3 grams of ingredient C
Factor the trinomial completely.x4 + 4x2 + 4
A. (x2 + 2)2 B. (x2 + 2)(x2 - 2) C. (x2 + 4)(x2 - 4) D. (x2 - 2)2
Solve the equation.9x - (7x + 8) = 4
A. {5} B. {8} C. {6} D. {7}